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Finding the Fourth Proportional to 8,337.62, 12,477.53 and 5,173.76

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Solution

The fourth proportional to 8,337.62, 12,477.53 and 5,173.76 is: 7,742.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.62 : 12,477.53 = 5,173.76 : x
  2. Step 2: Convert to fraction form
    8,337.62/12,477.53 = 5,173.76/x
  3. Step 3: Cross multiply
    8,337.62x = 12,477.53 × 5,173.76
  4. Step 4: Simplify right side
    8,337.62x = 64,555,657.36
  5. Step 5: Solve for x
    x = 64,555,657.36/8,337.62
  6. Step 6: Final answer
    x = 7,742.70

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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.