Home / 10,863.18-16,292.85-3,071.82

Finding the Fourth Proportional to 10,863.18, 16,292.85 and 3,071.82

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Solution

The fourth proportional to 10,863.18, 16,292.85 and 3,071.82 is: 4,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.18 : 16,292.85 = 3,071.82 : x
  2. Step 2: Convert to fraction form
    10,863.18/16,292.85 = 3,071.82/x
  3. Step 3: Cross multiply
    10,863.18x = 16,292.85 × 3,071.82
  4. Step 4: Simplify right side
    10,863.18x = 50,048,702.49
  5. Step 5: Solve for x
    x = 50,048,702.49/10,863.18
  6. Step 6: Final answer
    x = 4,607.19

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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.