Home / 10,542.48-15,815.16-3,616.08

Finding the Fourth Proportional to 10,542.48, 15,815.16 and 3,616.08

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Solution

The fourth proportional to 10,542.48, 15,815.16 and 3,616.08 is: 5,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542.48 : 15,815.16 = 3,616.08 : x
  2. Step 2: Convert to fraction form
    10,542.48/15,815.16 = 3,616.08/x
  3. Step 3: Cross multiply
    10,542.48x = 15,815.16 × 3,616.08
  4. Step 4: Simplify right side
    10,542.48x = 57,188,883.77
  5. Step 5: Solve for x
    x = 57,188,883.77/10,542.48
  6. Step 6: Final answer
    x = 5,424.61

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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.