Home / 10,876.02-16,322.28-7,961.82

Finding the Fourth Proportional to 10,876.02, 16,322.28 and 7,961.82

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Solution

The fourth proportional to 10,876.02, 16,322.28 and 7,961.82 is: 11,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.02 : 16,322.28 = 7,961.82 : x
  2. Step 2: Convert to fraction form
    10,876.02/16,322.28 = 7,961.82/x
  3. Step 3: Cross multiply
    10,876.02x = 16,322.28 × 7,961.82
  4. Step 4: Simplify right side
    10,876.02x = 129,955,055.35
  5. Step 5: Solve for x
    x = 129,955,055.35/10,876.02
  6. Step 6: Final answer
    x = 11,948.77

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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.