Home / 10,551.92-15,829.20-3,888.84

Finding the Fourth Proportional to 10,551.92, 15,829.20 and 3,888.84

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Solution

The fourth proportional to 10,551.92, 15,829.20 and 3,888.84 is: 5,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.92 : 15,829.20 = 3,888.84 : x
  2. Step 2: Convert to fraction form
    10,551.92/15,829.20 = 3,888.84/x
  3. Step 3: Cross multiply
    10,551.92x = 15,829.20 × 3,888.84
  4. Step 4: Simplify right side
    10,551.92x = 61,557,226.13
  5. Step 5: Solve for x
    x = 61,557,226.13/10,551.92
  6. Step 6: Final answer
    x = 5,833.75

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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.