Home / 10,402.87-15,610.47-3,833.67

Finding the Fourth Proportional to 10,402.87, 15,610.47 and 3,833.67

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Solution

The fourth proportional to 10,402.87, 15,610.47 and 3,833.67 is: 5,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402.87 : 15,610.47 = 3,833.67 : x
  2. Step 2: Convert to fraction form
    10,402.87/15,610.47 = 3,833.67/x
  3. Step 3: Cross multiply
    10,402.87x = 15,610.47 × 3,833.67
  4. Step 4: Simplify right side
    10,402.87x = 59,845,390.52
  5. Step 5: Solve for x
    x = 59,845,390.52/10,402.87
  6. Step 6: Final answer
    x = 5,752.78

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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.