Home / 8,906.49-13,359.65-3,711.15

Finding the Fourth Proportional to 8,906.49, 13,359.65 and 3,711.15

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Solution

The fourth proportional to 8,906.49, 13,359.65 and 3,711.15 is: 5,566.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.49 : 13,359.65 = 3,711.15 : x
  2. Step 2: Convert to fraction form
    8,906.49/13,359.65 = 3,711.15/x
  3. Step 3: Cross multiply
    8,906.49x = 13,359.65 × 3,711.15
  4. Step 4: Simplify right side
    8,906.49x = 49,579,646.54
  5. Step 5: Solve for x
    x = 49,579,646.54/8,906.49
  6. Step 6: Final answer
    x = 5,566.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.