Home / 10,083.22-15,127.24-9,915.84

Finding the Fourth Proportional to 10,083.22, 15,127.24 and 9,915.84

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Solution

The fourth proportional to 10,083.22, 15,127.24 and 9,915.84 is: 14,876.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.22 : 15,127.24 = 9,915.84 : x
  2. Step 2: Convert to fraction form
    10,083.22/15,127.24 = 9,915.84/x
  3. Step 3: Cross multiply
    10,083.22x = 15,127.24 × 9,915.84
  4. Step 4: Simplify right side
    10,083.22x = 149,999,291.48
  5. Step 5: Solve for x
    x = 149,999,291.48/10,083.22
  6. Step 6: Final answer
    x = 14,876.13

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1.5x scale

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.