Home / 8,242.08-12,346.92-4,772.04

Finding the Fourth Proportional to 8,242.08, 12,346.92 and 4,772.04

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Solution

The fourth proportional to 8,242.08, 12,346.92 and 4,772.04 is: 7,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,242.08 : 12,346.92 = 4,772.04 : x
  2. Step 2: Convert to fraction form
    8,242.08/12,346.92 = 4,772.04/x
  3. Step 3: Cross multiply
    8,242.08x = 12,346.92 × 4,772.04
  4. Step 4: Simplify right side
    8,242.08x = 58,919,996.12
  5. Step 5: Solve for x
    x = 58,919,996.12/8,242.08
  6. Step 6: Final answer
    x = 7,148.68

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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.