Home / 10,127.48-15,191.13-3,552.14

Finding the Fourth Proportional to 10,127.48, 15,191.13 and 3,552.14

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Solution

The fourth proportional to 10,127.48, 15,191.13 and 3,552.14 is: 5,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.48 : 15,191.13 = 3,552.14 : x
  2. Step 2: Convert to fraction form
    10,127.48/15,191.13 = 3,552.14/x
  3. Step 3: Cross multiply
    10,127.48x = 15,191.13 × 3,552.14
  4. Step 4: Simplify right side
    10,127.48x = 53,960,944.56
  5. Step 5: Solve for x
    x = 53,960,944.56/10,127.48
  6. Step 6: Final answer
    x = 5,328.17

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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.