Home / 8,531.16-12,769.44-4,572.55

Finding the Fourth Proportional to 8,531.16, 12,769.44 and 4,572.55

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Solution

The fourth proportional to 8,531.16, 12,769.44 and 4,572.55 is: 6,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,531.16 : 12,769.44 = 4,572.55 : x
  2. Step 2: Convert to fraction form
    8,531.16/12,769.44 = 4,572.55/x
  3. Step 3: Cross multiply
    8,531.16x = 12,769.44 × 4,572.55
  4. Step 4: Simplify right side
    8,531.16x = 58,388,902.87
  5. Step 5: Solve for x
    x = 58,388,902.87/8,531.16
  6. Step 6: Final answer
    x = 6,844.19

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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.