Home / 10,110.93-15,159.20-3,865.68

Finding the Fourth Proportional to 10,110.93, 15,159.20 and 3,865.68

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Solution

The fourth proportional to 10,110.93, 15,159.20 and 3,865.68 is: 5,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.93 : 15,159.20 = 3,865.68 : x
  2. Step 2: Convert to fraction form
    10,110.93/15,159.20 = 3,865.68/x
  3. Step 3: Cross multiply
    10,110.93x = 15,159.20 × 3,865.68
  4. Step 4: Simplify right side
    10,110.93x = 58,600,596.93
  5. Step 5: Solve for x
    x = 58,600,596.93/10,110.93
  6. Step 6: Final answer
    x = 5,795.77

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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.