Home / 10,510.53-15,766.20-3,491.16

Finding the Fourth Proportional to 10,510.53, 15,766.20 and 3,491.16

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Solution

The fourth proportional to 10,510.53, 15,766.20 and 3,491.16 is: 5,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.53 : 15,766.20 = 3,491.16 : x
  2. Step 2: Convert to fraction form
    10,510.53/15,766.20 = 3,491.16/x
  3. Step 3: Cross multiply
    10,510.53x = 15,766.20 × 3,491.16
  4. Step 4: Simplify right side
    10,510.53x = 55,042,326.79
  5. Step 5: Solve for x
    x = 55,042,326.79/10,510.53
  6. Step 6: Final answer
    x = 5,236.87

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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.