Home / 10,228.13-15,336-6,672.91

Finding the Fourth Proportional to 10,228.13, 15,336 and 6,672.91

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Solution

The fourth proportional to 10,228.13, 15,336 and 6,672.91 is: 10,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.13 : 15,336 = 6,672.91 : x
  2. Step 2: Convert to fraction form
    10,228.13/15,336 = 6,672.91/x
  3. Step 3: Cross multiply
    10,228.13x = 15,336 × 6,672.91
  4. Step 4: Simplify right side
    10,228.13x = 102,335,747.76
  5. Step 5: Solve for x
    x = 102,335,747.76/10,228.13
  6. Step 6: Final answer
    x = 10,005.32

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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.