Home / 10,876.20-16,314.30-5,032.05

Finding the Fourth Proportional to 10,876.20, 16,314.30 and 5,032.05

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Solution

The fourth proportional to 10,876.20, 16,314.30 and 5,032.05 is: 7,548.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.20 : 16,314.30 = 5,032.05 : x
  2. Step 2: Convert to fraction form
    10,876.20/16,314.30 = 5,032.05/x
  3. Step 3: Cross multiply
    10,876.20x = 16,314.30 × 5,032.05
  4. Step 4: Simplify right side
    10,876.20x = 82,094,266.58
  5. Step 5: Solve for x
    x = 82,094,266.58/10,876.20
  6. Step 6: Final answer
    x = 7,548.07

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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.