Home / 10,501.88-15,753.12-3,926.81

Finding the Fourth Proportional to 10,501.88, 15,753.12 and 3,926.81

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Solution

The fourth proportional to 10,501.88, 15,753.12 and 3,926.81 is: 5,890.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.88 : 15,753.12 = 3,926.81 : x
  2. Step 2: Convert to fraction form
    10,501.88/15,753.12 = 3,926.81/x
  3. Step 3: Cross multiply
    10,501.88x = 15,753.12 × 3,926.81
  4. Step 4: Simplify right side
    10,501.88x = 61,859,509.15
  5. Step 5: Solve for x
    x = 61,859,509.15/10,501.88
  6. Step 6: Final answer
    x = 5,890.33

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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.