Home / 10,718.26-16,084.02-5,172.16

Finding the Fourth Proportional to 10,718.26, 16,084.02 and 5,172.16

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Solution

The fourth proportional to 10,718.26, 16,084.02 and 5,172.16 is: 7,761.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.26 : 16,084.02 = 5,172.16 : x
  2. Step 2: Convert to fraction form
    10,718.26/16,084.02 = 5,172.16/x
  3. Step 3: Cross multiply
    10,718.26x = 16,084.02 × 5,172.16
  4. Step 4: Simplify right side
    10,718.26x = 83,189,124.88
  5. Step 5: Solve for x
    x = 83,189,124.88/10,718.26
  6. Step 6: Final answer
    x = 7,761.44

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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.