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Finding the Fourth Proportional to 8,395.28, 12,565.53 and 6,173.53

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Solution

The fourth proportional to 8,395.28, 12,565.53 and 6,173.53 is: 9,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.28 : 12,565.53 = 6,173.53 : x
  2. Step 2: Convert to fraction form
    8,395.28/12,565.53 = 6,173.53/x
  3. Step 3: Cross multiply
    8,395.28x = 12,565.53 × 6,173.53
  4. Step 4: Simplify right side
    8,395.28x = 77,573,676.42
  5. Step 5: Solve for x
    x = 77,573,676.42/8,395.28
  6. Step 6: Final answer
    x = 9,240.15

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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.