Home / 9,118.22-13,702.03-4,961.30

Finding the Fourth Proportional to 9,118.22, 13,702.03 and 4,961.30

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Solution

The fourth proportional to 9,118.22, 13,702.03 and 4,961.30 is: 7,455.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.22 : 13,702.03 = 4,961.30 : x
  2. Step 2: Convert to fraction form
    9,118.22/13,702.03 = 4,961.30/x
  3. Step 3: Cross multiply
    9,118.22x = 13,702.03 × 4,961.30
  4. Step 4: Simplify right side
    9,118.22x = 67,979,800.53
  5. Step 5: Solve for x
    x = 67,979,800.53/9,118.22
  6. Step 6: Final answer
    x = 7,455.38

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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.