Home / 10,541.72-15,818.78-3,967.72

Finding the Fourth Proportional to 10,541.72, 15,818.78 and 3,967.72

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Solution

The fourth proportional to 10,541.72, 15,818.78 and 3,967.72 is: 5,953.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541.72 : 15,818.78 = 3,967.72 : x
  2. Step 2: Convert to fraction form
    10,541.72/15,818.78 = 3,967.72/x
  3. Step 3: Cross multiply
    10,541.72x = 15,818.78 × 3,967.72
  4. Step 4: Simplify right side
    10,541.72x = 62,764,489.78
  5. Step 5: Solve for x
    x = 62,764,489.78/10,541.72
  6. Step 6: Final answer
    x = 5,953.91

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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.