Home / 8,568-11,824.56-5,423.04

Finding the Fourth Proportional to 8,568, 11,824.56 and 5,423.04

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Solution

The fourth proportional to 8,568, 11,824.56 and 5,423.04 is: 7,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568 : 11,824.56 = 5,423.04 : x
  2. Step 2: Convert to fraction form
    8,568/11,824.56 = 5,423.04/x
  3. Step 3: Cross multiply
    8,568x = 11,824.56 × 5,423.04
  4. Step 4: Simplify right side
    8,568x = 64,125,061.86
  5. Step 5: Solve for x
    x = 64,125,061.86/8,568
  6. Step 6: Final answer
    x = 7,484.25

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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.