Home / 9,057.20-12,502.02-5,705.62

Finding the Fourth Proportional to 9,057.20, 12,502.02 and 5,705.62

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Solution

The fourth proportional to 9,057.20, 12,502.02 and 5,705.62 is: 7,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.20 : 12,502.02 = 5,705.62 : x
  2. Step 2: Convert to fraction form
    9,057.20/12,502.02 = 5,705.62/x
  3. Step 3: Cross multiply
    9,057.20x = 12,502.02 × 5,705.62
  4. Step 4: Simplify right side
    9,057.20x = 71,331,775.35
  5. Step 5: Solve for x
    x = 71,331,775.35/9,057.20
  6. Step 6: Final answer
    x = 7,875.70

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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.