Home / 10,058.48-15,067.67-7,856.90

Finding the Fourth Proportional to 10,058.48, 15,067.67 and 7,856.90

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Solution

The fourth proportional to 10,058.48, 15,067.67 and 7,856.90 is: 11,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,058.48 : 15,067.67 = 7,856.90 : x
  2. Step 2: Convert to fraction form
    10,058.48/15,067.67 = 7,856.90/x
  3. Step 3: Cross multiply
    10,058.48x = 15,067.67 × 7,856.90
  4. Step 4: Simplify right side
    10,058.48x = 118,385,061.80
  5. Step 5: Solve for x
    x = 118,385,061.80/10,058.48
  6. Step 6: Final answer
    x = 11,769.68

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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.