Home / 10,371.13-15,553.50-2,973.61

Finding the Fourth Proportional to 10,371.13, 15,553.50 and 2,973.61

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Solution

The fourth proportional to 10,371.13, 15,553.50 and 2,973.61 is: 4,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.13 : 15,553.50 = 2,973.61 : x
  2. Step 2: Convert to fraction form
    10,371.13/15,553.50 = 2,973.61/x
  3. Step 3: Cross multiply
    10,371.13x = 15,553.50 × 2,973.61
  4. Step 4: Simplify right side
    10,371.13x = 46,250,043.14
  5. Step 5: Solve for x
    x = 46,250,043.14/10,371.13
  6. Step 6: Final answer
    x = 4,459.50

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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.