Home / 8,701.47-12,008.12-4,722.62

Finding the Fourth Proportional to 8,701.47, 12,008.12 and 4,722.62

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Solution

The fourth proportional to 8,701.47, 12,008.12 and 4,722.62 is: 6,517.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.47 : 12,008.12 = 4,722.62 : x
  2. Step 2: Convert to fraction form
    8,701.47/12,008.12 = 4,722.62/x
  3. Step 3: Cross multiply
    8,701.47x = 12,008.12 × 4,722.62
  4. Step 4: Simplify right side
    8,701.47x = 56,709,704.02
  5. Step 5: Solve for x
    x = 56,709,704.02/8,701.47
  6. Step 6: Final answer
    x = 6,517.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.