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Finding the Fourth Proportional to 8,352.54, 12,528.84 and 6,785.16

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Solution

The fourth proportional to 8,352.54, 12,528.84 and 6,785.16 is: 10,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.54 : 12,528.84 = 6,785.16 : x
  2. Step 2: Convert to fraction form
    8,352.54/12,528.84 = 6,785.16/x
  3. Step 3: Cross multiply
    8,352.54x = 12,528.84 × 6,785.16
  4. Step 4: Simplify right side
    8,352.54x = 85,010,184.01
  5. Step 5: Solve for x
    x = 85,010,184.01/8,352.54
  6. Step 6: Final answer
    x = 10,177.76

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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.