Home / 10,001.57-15,002.49-9,392.72

Finding the Fourth Proportional to 10,001.57, 15,002.49 and 9,392.72

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Solution

The fourth proportional to 10,001.57, 15,002.49 and 9,392.72 is: 14,089.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.57 : 15,002.49 = 9,392.72 : x
  2. Step 2: Convert to fraction form
    10,001.57/15,002.49 = 9,392.72/x
  3. Step 3: Cross multiply
    10,001.57x = 15,002.49 × 9,392.72
  4. Step 4: Simplify right side
    10,001.57x = 140,914,187.87
  5. Step 5: Solve for x
    x = 140,914,187.87/10,001.57
  6. Step 6: Final answer
    x = 14,089.21

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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.