Home / 10,240.71-14,132.12-5,764.44

Finding the Fourth Proportional to 10,240.71, 14,132.12 and 5,764.44

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Solution

The fourth proportional to 10,240.71, 14,132.12 and 5,764.44 is: 7,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.71 : 14,132.12 = 5,764.44 : x
  2. Step 2: Convert to fraction form
    10,240.71/14,132.12 = 5,764.44/x
  3. Step 3: Cross multiply
    10,240.71x = 14,132.12 × 5,764.44
  4. Step 4: Simplify right side
    10,240.71x = 81,463,757.81
  5. Step 5: Solve for x
    x = 81,463,757.81/10,240.71
  6. Step 6: Final answer
    x = 7,954.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.