Home / 10,050.90-15,072.48-4,781.85

Finding the Fourth Proportional to 10,050.90, 15,072.48 and 4,781.85

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Solution

The fourth proportional to 10,050.90, 15,072.48 and 4,781.85 is: 7,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.90 : 15,072.48 = 4,781.85 : x
  2. Step 2: Convert to fraction form
    10,050.90/15,072.48 = 4,781.85/x
  3. Step 3: Cross multiply
    10,050.90x = 15,072.48 × 4,781.85
  4. Step 4: Simplify right side
    10,050.90x = 72,074,338.49
  5. Step 5: Solve for x
    x = 72,074,338.49/10,050.90
  6. Step 6: Final answer
    x = 7,170.93

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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.