Home / 10,560.48-15,821.16-7,631.52

Finding the Fourth Proportional to 10,560.48, 15,821.16 and 7,631.52

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Solution

The fourth proportional to 10,560.48, 15,821.16 and 7,631.52 is: 11,433.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.48 : 15,821.16 = 7,631.52 : x
  2. Step 2: Convert to fraction form
    10,560.48/15,821.16 = 7,631.52/x
  3. Step 3: Cross multiply
    10,560.48x = 15,821.16 × 7,631.52
  4. Step 4: Simplify right side
    10,560.48x = 120,739,498.96
  5. Step 5: Solve for x
    x = 120,739,498.96/10,560.48
  6. Step 6: Final answer
    x = 11,433.14

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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.