Home / 10,384.92-15,564.42-5,192.28

Finding the Fourth Proportional to 10,384.92, 15,564.42 and 5,192.28

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Solution

The fourth proportional to 10,384.92, 15,564.42 and 5,192.28 is: 7,781.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.92 : 15,564.42 = 5,192.28 : x
  2. Step 2: Convert to fraction form
    10,384.92/15,564.42 = 5,192.28/x
  3. Step 3: Cross multiply
    10,384.92x = 15,564.42 × 5,192.28
  4. Step 4: Simplify right side
    10,384.92x = 80,814,826.68
  5. Step 5: Solve for x
    x = 80,814,826.68/10,384.92
  6. Step 6: Final answer
    x = 7,781.94

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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.