Home / 10,525.28-15,780.62-5,530.58

Finding the Fourth Proportional to 10,525.28, 15,780.62 and 5,530.58

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Solution

The fourth proportional to 10,525.28, 15,780.62 and 5,530.58 is: 8,292.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.28 : 15,780.62 = 5,530.58 : x
  2. Step 2: Convert to fraction form
    10,525.28/15,780.62 = 5,530.58/x
  3. Step 3: Cross multiply
    10,525.28x = 15,780.62 × 5,530.58
  4. Step 4: Simplify right side
    10,525.28x = 87,275,975.46
  5. Step 5: Solve for x
    x = 87,275,975.46/10,525.28
  6. Step 6: Final answer
    x = 8,292.04

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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.