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Finding the Fourth Proportional to 10,901.98, 16,332.11 and 7,374.67

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Solution

The fourth proportional to 10,901.98, 16,332.11 and 7,374.67 is: 11,047.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.98 : 16,332.11 = 7,374.67 : x
  2. Step 2: Convert to fraction form
    10,901.98/16,332.11 = 7,374.67/x
  3. Step 3: Cross multiply
    10,901.98x = 16,332.11 × 7,374.67
  4. Step 4: Simplify right side
    10,901.98x = 120,443,921.65
  5. Step 5: Solve for x
    x = 120,443,921.65/10,901.98
  6. Step 6: Final answer
    x = 11,047.89

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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.