Home / 10,625.90-15,914.60-5,083.16

Finding the Fourth Proportional to 10,625.90, 15,914.60 and 5,083.16

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Solution

The fourth proportional to 10,625.90, 15,914.60 and 5,083.16 is: 7,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.90 : 15,914.60 = 5,083.16 : x
  2. Step 2: Convert to fraction form
    10,625.90/15,914.60 = 5,083.16/x
  3. Step 3: Cross multiply
    10,625.90x = 15,914.60 × 5,083.16
  4. Step 4: Simplify right side
    10,625.90x = 80,896,353.15
  5. Step 5: Solve for x
    x = 80,896,353.15/10,625.90
  6. Step 6: Final answer
    x = 7,613.13

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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.