Home / 9,113.82-12,577.49-5,080.92

Finding the Fourth Proportional to 9,113.82, 12,577.49 and 5,080.92

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Solution

The fourth proportional to 9,113.82, 12,577.49 and 5,080.92 is: 7,011.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.82 : 12,577.49 = 5,080.92 : x
  2. Step 2: Convert to fraction form
    9,113.82/12,577.49 = 5,080.92/x
  3. Step 3: Cross multiply
    9,113.82x = 12,577.49 × 5,080.92
  4. Step 4: Simplify right side
    9,113.82x = 63,905,220.49
  5. Step 5: Solve for x
    x = 63,905,220.49/9,113.82
  6. Step 6: Final answer
    x = 7,011.90

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Half scale
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Double scale
Find fourth proportional to 9,114.82, 12,578.87 and 5,081.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.