Home / 10,527.28-15,786.25-3,948.85

Finding the Fourth Proportional to 10,527.28, 15,786.25 and 3,948.85

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Solution

The fourth proportional to 10,527.28, 15,786.25 and 3,948.85 is: 5,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.28 : 15,786.25 = 3,948.85 : x
  2. Step 2: Convert to fraction form
    10,527.28/15,786.25 = 3,948.85/x
  3. Step 3: Cross multiply
    10,527.28x = 15,786.25 × 3,948.85
  4. Step 4: Simplify right side
    10,527.28x = 62,337,533.31
  5. Step 5: Solve for x
    x = 62,337,533.31/10,527.28
  6. Step 6: Final answer
    x = 5,921.52

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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.