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Finding the Fourth Proportional to 11,865.16, 16,373.76 and 6,560.04

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Solution

The fourth proportional to 11,865.16, 16,373.76 and 6,560.04 is: 9,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.16 : 16,373.76 = 6,560.04 : x
  2. Step 2: Convert to fraction form
    11,865.16/16,373.76 = 6,560.04/x
  3. Step 3: Cross multiply
    11,865.16x = 16,373.76 × 6,560.04
  4. Step 4: Simplify right side
    11,865.16x = 107,412,520.55
  5. Step 5: Solve for x
    x = 107,412,520.55/11,865.16
  6. Step 6: Final answer
    x = 9,052.77

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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.