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Finding the Fourth Proportional to 11,760.90, 16,227 and 7,041.84

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Solution

The fourth proportional to 11,760.90, 16,227 and 7,041.84 is: 9,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.90 : 16,227 = 7,041.84 : x
  2. Step 2: Convert to fraction form
    11,760.90/16,227 = 7,041.84/x
  3. Step 3: Cross multiply
    11,760.90x = 16,227 × 7,041.84
  4. Step 4: Simplify right side
    11,760.90x = 114,267,937.68
  5. Step 5: Solve for x
    x = 114,267,937.68/11,760.90
  6. Step 6: Final answer
    x = 9,715.92

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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.