Home / 10,013.27-15,019.74-2,618.17

Finding the Fourth Proportional to 10,013.27, 15,019.74 and 2,618.17

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Solution

The fourth proportional to 10,013.27, 15,019.74 and 2,618.17 is: 3,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.27 : 15,019.74 = 2,618.17 : x
  2. Step 2: Convert to fraction form
    10,013.27/15,019.74 = 2,618.17/x
  3. Step 3: Cross multiply
    10,013.27x = 15,019.74 × 2,618.17
  4. Step 4: Simplify right side
    10,013.27x = 39,324,195.13
  5. Step 5: Solve for x
    x = 39,324,195.13/10,013.27
  6. Step 6: Final answer
    x = 3,927.21

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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.