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Finding the Fourth Proportional to 11,510.13, 15,885.02 and 6,793.53

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Solution

The fourth proportional to 11,510.13, 15,885.02 and 6,793.53 is: 9,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,510.13 : 15,885.02 = 6,793.53 : x
  2. Step 2: Convert to fraction form
    11,510.13/15,885.02 = 6,793.53/x
  3. Step 3: Cross multiply
    11,510.13x = 15,885.02 × 6,793.53
  4. Step 4: Simplify right side
    11,510.13x = 107,915,325.95
  5. Step 5: Solve for x
    x = 107,915,325.95/11,510.13
  6. Step 6: Final answer
    x = 9,375.68

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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.