Home / 10,091.12-15,137.33-3,071.66

Finding the Fourth Proportional to 10,091.12, 15,137.33 and 3,071.66

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Solution

The fourth proportional to 10,091.12, 15,137.33 and 3,071.66 is: 4,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.12 : 15,137.33 = 3,071.66 : x
  2. Step 2: Convert to fraction form
    10,091.12/15,137.33 = 3,071.66/x
  3. Step 3: Cross multiply
    10,091.12x = 15,137.33 × 3,071.66
  4. Step 4: Simplify right side
    10,091.12x = 46,496,640.02
  5. Step 5: Solve for x
    x = 46,496,640.02/10,091.12
  6. Step 6: Final answer
    x = 4,607.68

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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.