Home / 10,826.56-16,239.69-4,248.15

Finding the Fourth Proportional to 10,826.56, 16,239.69 and 4,248.15

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Solution

The fourth proportional to 10,826.56, 16,239.69 and 4,248.15 is: 6,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.56 : 16,239.69 = 4,248.15 : x
  2. Step 2: Convert to fraction form
    10,826.56/16,239.69 = 4,248.15/x
  3. Step 3: Cross multiply
    10,826.56x = 16,239.69 × 4,248.15
  4. Step 4: Simplify right side
    10,826.56x = 68,988,578.17
  5. Step 5: Solve for x
    x = 68,988,578.17/10,826.56
  6. Step 6: Final answer
    x = 6,372.16

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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.