Home / 8,269.20-12,397.32-5,664.24

Finding the Fourth Proportional to 8,269.20, 12,397.32 and 5,664.24

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Solution

The fourth proportional to 8,269.20, 12,397.32 and 5,664.24 is: 8,491.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.20 : 12,397.32 = 5,664.24 : x
  2. Step 2: Convert to fraction form
    8,269.20/12,397.32 = 5,664.24/x
  3. Step 3: Cross multiply
    8,269.20x = 12,397.32 × 5,664.24
  4. Step 4: Simplify right side
    8,269.20x = 70,221,395.84
  5. Step 5: Solve for x
    x = 70,221,395.84/8,269.20
  6. Step 6: Final answer
    x = 8,491.92

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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.