Home / 9,306.11-12,842.48-5,057.21

Finding the Fourth Proportional to 9,306.11, 12,842.48 and 5,057.21

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Solution

The fourth proportional to 9,306.11, 12,842.48 and 5,057.21 is: 6,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,306.11 : 12,842.48 = 5,057.21 : x
  2. Step 2: Convert to fraction form
    9,306.11/12,842.48 = 5,057.21/x
  3. Step 3: Cross multiply
    9,306.11x = 12,842.48 × 5,057.21
  4. Step 4: Simplify right side
    9,306.11x = 64,947,066.71
  5. Step 5: Solve for x
    x = 64,947,066.71/9,306.11
  6. Step 6: Final answer
    x = 6,978.97

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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.