Home / 10,502.51-15,748.80-3,834.38

Finding the Fourth Proportional to 10,502.51, 15,748.80 and 3,834.38

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Solution

The fourth proportional to 10,502.51, 15,748.80 and 3,834.38 is: 5,749.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.51 : 15,748.80 = 3,834.38 : x
  2. Step 2: Convert to fraction form
    10,502.51/15,748.80 = 3,834.38/x
  3. Step 3: Cross multiply
    10,502.51x = 15,748.80 × 3,834.38
  4. Step 4: Simplify right side
    10,502.51x = 60,386,896.80
  5. Step 5: Solve for x
    x = 60,386,896.80/10,502.51
  6. Step 6: Final answer
    x = 5,749.76

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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.