Home / 8,542.16-12,812.28-2,302.64

Finding the Fourth Proportional to 8,542.16, 12,812.28 and 2,302.64

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Solution

The fourth proportional to 8,542.16, 12,812.28 and 2,302.64 is: 3,453.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.16 : 12,812.28 = 2,302.64 : x
  2. Step 2: Convert to fraction form
    8,542.16/12,812.28 = 2,302.64/x
  3. Step 3: Cross multiply
    8,542.16x = 12,812.28 × 2,302.64
  4. Step 4: Simplify right side
    8,542.16x = 29,502,068.42
  5. Step 5: Solve for x
    x = 29,502,068.42/8,542.16
  6. Step 6: Final answer
    x = 3,453.70

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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.