Home / 10,552.42-15,836.40-5,005.72

Finding the Fourth Proportional to 10,552.42, 15,836.40 and 5,005.72

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Solution

The fourth proportional to 10,552.42, 15,836.40 and 5,005.72 is: 7,512.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,552.42 : 15,836.40 = 5,005.72 : x
  2. Step 2: Convert to fraction form
    10,552.42/15,836.40 = 5,005.72/x
  3. Step 3: Cross multiply
    10,552.42x = 15,836.40 × 5,005.72
  4. Step 4: Simplify right side
    10,552.42x = 79,272,584.21
  5. Step 5: Solve for x
    x = 79,272,584.21/10,552.42
  6. Step 6: Final answer
    x = 7,512.27

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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.