Home / 10,179.70-15,256.19-7,377.94

Finding the Fourth Proportional to 10,179.70, 15,256.19 and 7,377.94

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Solution

The fourth proportional to 10,179.70, 15,256.19 and 7,377.94 is: 11,057.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.70 : 15,256.19 = 7,377.94 : x
  2. Step 2: Convert to fraction form
    10,179.70/15,256.19 = 7,377.94/x
  3. Step 3: Cross multiply
    10,179.70x = 15,256.19 × 7,377.94
  4. Step 4: Simplify right side
    10,179.70x = 112,559,254.45
  5. Step 5: Solve for x
    x = 112,559,254.45/10,179.70
  6. Step 6: Final answer
    x = 11,057.23

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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.