Home / 10,297.24-15,432.30-5,619.28

Finding the Fourth Proportional to 10,297.24, 15,432.30 and 5,619.28

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Solution

The fourth proportional to 10,297.24, 15,432.30 and 5,619.28 is: 8,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.24 : 15,432.30 = 5,619.28 : x
  2. Step 2: Convert to fraction form
    10,297.24/15,432.30 = 5,619.28/x
  3. Step 3: Cross multiply
    10,297.24x = 15,432.30 × 5,619.28
  4. Step 4: Simplify right side
    10,297.24x = 86,718,414.74
  5. Step 5: Solve for x
    x = 86,718,414.74/10,297.24
  6. Step 6: Final answer
    x = 8,421.52

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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.