Home / 10,351.76-15,508.02-6,122.36

Finding the Fourth Proportional to 10,351.76, 15,508.02 and 6,122.36

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Solution

The fourth proportional to 10,351.76, 15,508.02 and 6,122.36 is: 9,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.76 : 15,508.02 = 6,122.36 : x
  2. Step 2: Convert to fraction form
    10,351.76/15,508.02 = 6,122.36/x
  3. Step 3: Cross multiply
    10,351.76x = 15,508.02 × 6,122.36
  4. Step 4: Simplify right side
    10,351.76x = 94,945,603.79
  5. Step 5: Solve for x
    x = 94,945,603.79/10,351.76
  6. Step 6: Final answer
    x = 9,171.93

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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.