Home / 8,575.28-12,874.80-5,672.24

Finding the Fourth Proportional to 8,575.28, 12,874.80 and 5,672.24

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Solution

The fourth proportional to 8,575.28, 12,874.80 and 5,672.24 is: 8,516.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.28 : 12,874.80 = 5,672.24 : x
  2. Step 2: Convert to fraction form
    8,575.28/12,874.80 = 5,672.24/x
  3. Step 3: Cross multiply
    8,575.28x = 12,874.80 × 5,672.24
  4. Step 4: Simplify right side
    8,575.28x = 73,028,955.55
  5. Step 5: Solve for x
    x = 73,028,955.55/8,575.28
  6. Step 6: Final answer
    x = 8,516.22

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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.