Home / 10,532.91-15,809.09-5,342.43

Finding the Fourth Proportional to 10,532.91, 15,809.09 and 5,342.43

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Solution

The fourth proportional to 10,532.91, 15,809.09 and 5,342.43 is: 8,018.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,532.91 : 15,809.09 = 5,342.43 : x
  2. Step 2: Convert to fraction form
    10,532.91/15,809.09 = 5,342.43/x
  3. Step 3: Cross multiply
    10,532.91x = 15,809.09 × 5,342.43
  4. Step 4: Simplify right side
    10,532.91x = 84,458,956.69
  5. Step 5: Solve for x
    x = 84,458,956.69/10,532.91
  6. Step 6: Final answer
    x = 8,018.58

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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.