Home / 12,350.57-18,512.58-5,333.90

Finding the Fourth Proportional to 12,350.57, 18,512.58 and 5,333.90

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Solution

The fourth proportional to 12,350.57, 18,512.58 and 5,333.90 is: 7,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.57 : 18,512.58 = 5,333.90 : x
  2. Step 2: Convert to fraction form
    12,350.57/18,512.58 = 5,333.90/x
  3. Step 3: Cross multiply
    12,350.57x = 18,512.58 × 5,333.90
  4. Step 4: Simplify right side
    12,350.57x = 98,744,250.46
  5. Step 5: Solve for x
    x = 98,744,250.46/12,350.57
  6. Step 6: Final answer
    x = 7,995.12

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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.