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Finding the Fourth Proportional to 10,937.58, 16,390.89 and 6,247.98

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Solution

The fourth proportional to 10,937.58, 16,390.89 and 6,247.98 is: 9,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.58 : 16,390.89 = 6,247.98 : x
  2. Step 2: Convert to fraction form
    10,937.58/16,390.89 = 6,247.98/x
  3. Step 3: Cross multiply
    10,937.58x = 16,390.89 × 6,247.98
  4. Step 4: Simplify right side
    10,937.58x = 102,409,952.90
  5. Step 5: Solve for x
    x = 102,409,952.90/10,937.58
  6. Step 6: Final answer
    x = 9,363.13

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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.