Home / 10,204.72-15,307.05-3,631.16

Finding the Fourth Proportional to 10,204.72, 15,307.05 and 3,631.16

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Solution

The fourth proportional to 10,204.72, 15,307.05 and 3,631.16 is: 5,446.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,204.72 : 15,307.05 = 3,631.16 : x
  2. Step 2: Convert to fraction form
    10,204.72/15,307.05 = 3,631.16/x
  3. Step 3: Cross multiply
    10,204.72x = 15,307.05 × 3,631.16
  4. Step 4: Simplify right side
    10,204.72x = 55,582,347.68
  5. Step 5: Solve for x
    x = 55,582,347.68/10,204.72
  6. Step 6: Final answer
    x = 5,446.73

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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.