Home / 6,126.98-9,121.17-6,090.53

Finding the Fourth Proportional to 6,126.98, 9,121.17 and 6,090.53

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Solution

The fourth proportional to 6,126.98, 9,121.17 and 6,090.53 is: 9,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.98 : 9,121.17 = 6,090.53 : x
  2. Step 2: Convert to fraction form
    6,126.98/9,121.17 = 6,090.53/x
  3. Step 3: Cross multiply
    6,126.98x = 9,121.17 × 6,090.53
  4. Step 4: Simplify right side
    6,126.98x = 55,552,736.75
  5. Step 5: Solve for x
    x = 55,552,736.75/6,126.98
  6. Step 6: Final answer
    x = 9,066.91

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Find fourth proportional to 3,063.49, 4,560.59 and 3,045.26
Half scale
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Double scale
Find fourth proportional to 6,127.98, 9,122.66 and 6,091.53
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.