Home / 10,148.14-15,220.15-2,753.11

Finding the Fourth Proportional to 10,148.14, 15,220.15 and 2,753.11

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Solution

The fourth proportional to 10,148.14, 15,220.15 and 2,753.11 is: 4,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148.14 : 15,220.15 = 2,753.11 : x
  2. Step 2: Convert to fraction form
    10,148.14/15,220.15 = 2,753.11/x
  3. Step 3: Cross multiply
    10,148.14x = 15,220.15 × 2,753.11
  4. Step 4: Simplify right side
    10,148.14x = 41,902,817.60
  5. Step 5: Solve for x
    x = 41,902,817.60/10,148.14
  6. Step 6: Final answer
    x = 4,129.11

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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.