Home / 8,618.24-11,892.12-5,262.92

Finding the Fourth Proportional to 8,618.24, 11,892.12 and 5,262.92

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Solution

The fourth proportional to 8,618.24, 11,892.12 and 5,262.92 is: 7,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,618.24 : 11,892.12 = 5,262.92 : x
  2. Step 2: Convert to fraction form
    8,618.24/11,892.12 = 5,262.92/x
  3. Step 3: Cross multiply
    8,618.24x = 11,892.12 × 5,262.92
  4. Step 4: Simplify right side
    8,618.24x = 62,587,276.19
  5. Step 5: Solve for x
    x = 62,587,276.19/8,618.24
  6. Step 6: Final answer
    x = 7,262.19

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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.