Home / 9,118.13-13,671.72-3,564.86

Finding the Fourth Proportional to 9,118.13, 13,671.72 and 3,564.86

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Solution

The fourth proportional to 9,118.13, 13,671.72 and 3,564.86 is: 5,345.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.13 : 13,671.72 = 3,564.86 : x
  2. Step 2: Convert to fraction form
    9,118.13/13,671.72 = 3,564.86/x
  3. Step 3: Cross multiply
    9,118.13x = 13,671.72 × 3,564.86
  4. Step 4: Simplify right side
    9,118.13x = 48,737,702.19
  5. Step 5: Solve for x
    x = 48,737,702.19/9,118.13
  6. Step 6: Final answer
    x = 5,345.14

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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.