Home / 10,159.20-15,239.88-3,232.08

Finding the Fourth Proportional to 10,159.20, 15,239.88 and 3,232.08

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Solution

The fourth proportional to 10,159.20, 15,239.88 and 3,232.08 is: 4,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.20 : 15,239.88 = 3,232.08 : x
  2. Step 2: Convert to fraction form
    10,159.20/15,239.88 = 3,232.08/x
  3. Step 3: Cross multiply
    10,159.20x = 15,239.88 × 3,232.08
  4. Step 4: Simplify right side
    10,159.20x = 49,256,511.35
  5. Step 5: Solve for x
    x = 49,256,511.35/10,159.20
  6. Step 6: Final answer
    x = 4,848.46

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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.