Home / 10,882.44-15,011.28-8,240.04

Finding the Fourth Proportional to 10,882.44, 15,011.28 and 8,240.04

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Solution

The fourth proportional to 10,882.44, 15,011.28 and 8,240.04 is: 11,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,882.44 : 15,011.28 = 8,240.04 : x
  2. Step 2: Convert to fraction form
    10,882.44/15,011.28 = 8,240.04/x
  3. Step 3: Cross multiply
    10,882.44x = 15,011.28 × 8,240.04
  4. Step 4: Simplify right side
    10,882.44x = 123,693,547.65
  5. Step 5: Solve for x
    x = 123,693,547.65/10,882.44
  6. Step 6: Final answer
    x = 11,366.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.