Home / 10,348.74-15,518.87-4,107.90

Finding the Fourth Proportional to 10,348.74, 15,518.87 and 4,107.90

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Solution

The fourth proportional to 10,348.74, 15,518.87 and 4,107.90 is: 6,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.74 : 15,518.87 = 4,107.90 : x
  2. Step 2: Convert to fraction form
    10,348.74/15,518.87 = 4,107.90/x
  3. Step 3: Cross multiply
    10,348.74x = 15,518.87 × 4,107.90
  4. Step 4: Simplify right side
    10,348.74x = 63,749,945.53
  5. Step 5: Solve for x
    x = 63,749,945.53/10,348.74
  6. Step 6: Final answer
    x = 6,160.16

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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.