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Finding the Fourth Proportional to 10,937.91, 16,391.48 and 6,250.89

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Solution

The fourth proportional to 10,937.91, 16,391.48 and 6,250.89 is: 9,367.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.91 : 16,391.48 = 6,250.89 : x
  2. Step 2: Convert to fraction form
    10,937.91/16,391.48 = 6,250.89/x
  3. Step 3: Cross multiply
    10,937.91x = 16,391.48 × 6,250.89
  4. Step 4: Simplify right side
    10,937.91x = 102,461,307.16
  5. Step 5: Solve for x
    x = 102,461,307.16/10,937.91
  6. Step 6: Final answer
    x = 9,367.54

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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.