Home / 10,239.68-15,358.80-5,843.36

Finding the Fourth Proportional to 10,239.68, 15,358.80 and 5,843.36

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Solution

The fourth proportional to 10,239.68, 15,358.80 and 5,843.36 is: 8,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.68 : 15,358.80 = 5,843.36 : x
  2. Step 2: Convert to fraction form
    10,239.68/15,358.80 = 5,843.36/x
  3. Step 3: Cross multiply
    10,239.68x = 15,358.80 × 5,843.36
  4. Step 4: Simplify right side
    10,239.68x = 89,746,997.57
  5. Step 5: Solve for x
    x = 89,746,997.57/10,239.68
  6. Step 6: Final answer
    x = 8,764.63

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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.