Home / 10,007.92-13,810.50-5,531.44

Finding the Fourth Proportional to 10,007.92, 13,810.50 and 5,531.44

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Solution

The fourth proportional to 10,007.92, 13,810.50 and 5,531.44 is: 7,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.92 : 13,810.50 = 5,531.44 : x
  2. Step 2: Convert to fraction form
    10,007.92/13,810.50 = 5,531.44/x
  3. Step 3: Cross multiply
    10,007.92x = 13,810.50 × 5,531.44
  4. Step 4: Simplify right side
    10,007.92x = 76,391,952.12
  5. Step 5: Solve for x
    x = 76,391,952.12/10,007.92
  6. Step 6: Final answer
    x = 7,633.15

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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.