Home / 8,869.30-12,242.19-6,217.36

Finding the Fourth Proportional to 8,869.30, 12,242.19 and 6,217.36

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Solution

The fourth proportional to 8,869.30, 12,242.19 and 6,217.36 is: 8,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.30 : 12,242.19 = 6,217.36 : x
  2. Step 2: Convert to fraction form
    8,869.30/12,242.19 = 6,217.36/x
  3. Step 3: Cross multiply
    8,869.30x = 12,242.19 × 6,217.36
  4. Step 4: Simplify right side
    8,869.30x = 76,114,102.42
  5. Step 5: Solve for x
    x = 76,114,102.42/8,869.30
  6. Step 6: Final answer
    x = 8,581.75

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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.