Home / 8,064.66-11,126.42-5,080.76

Finding the Fourth Proportional to 8,064.66, 11,126.42 and 5,080.76

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Solution

The fourth proportional to 8,064.66, 11,126.42 and 5,080.76 is: 7,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.66 : 11,126.42 = 5,080.76 : x
  2. Step 2: Convert to fraction form
    8,064.66/11,126.42 = 5,080.76/x
  3. Step 3: Cross multiply
    8,064.66x = 11,126.42 × 5,080.76
  4. Step 4: Simplify right side
    8,064.66x = 56,530,669.68
  5. Step 5: Solve for x
    x = 56,530,669.68/8,064.66
  6. Step 6: Final answer
    x = 7,009.68

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Half scale
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Double scale
Find fourth proportional to 8,065.66, 11,127.80 and 5,081.76
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.