Home / 11,332.22-15,637.95-6,296.78

Finding the Fourth Proportional to 11,332.22, 15,637.95 and 6,296.78

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Solution

The fourth proportional to 11,332.22, 15,637.95 and 6,296.78 is: 8,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.22 : 15,637.95 = 6,296.78 : x
  2. Step 2: Convert to fraction form
    11,332.22/15,637.95 = 6,296.78/x
  3. Step 3: Cross multiply
    11,332.22x = 15,637.95 × 6,296.78
  4. Step 4: Simplify right side
    11,332.22x = 98,468,769.90
  5. Step 5: Solve for x
    x = 98,468,769.90/11,332.22
  6. Step 6: Final answer
    x = 8,689.28

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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.