Home / 10,553.74-15,822.38-5,286.04

Finding the Fourth Proportional to 10,553.74, 15,822.38 and 5,286.04

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Solution

The fourth proportional to 10,553.74, 15,822.38 and 5,286.04 is: 7,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.74 : 15,822.38 = 5,286.04 : x
  2. Step 2: Convert to fraction form
    10,553.74/15,822.38 = 5,286.04/x
  3. Step 3: Cross multiply
    10,553.74x = 15,822.38 × 5,286.04
  4. Step 4: Simplify right side
    10,553.74x = 83,637,733.58
  5. Step 5: Solve for x
    x = 83,637,733.58/10,553.74
  6. Step 6: Final answer
    x = 7,924.94

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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.