Home / 10,240.96-14,132.79-5,764.88

Finding the Fourth Proportional to 10,240.96, 14,132.79 and 5,764.88

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Solution

The fourth proportional to 10,240.96, 14,132.79 and 5,764.88 is: 7,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.96 : 14,132.79 = 5,764.88 : x
  2. Step 2: Convert to fraction form
    10,240.96/14,132.79 = 5,764.88/x
  3. Step 3: Cross multiply
    10,240.96x = 14,132.79 × 5,764.88
  4. Step 4: Simplify right side
    10,240.96x = 81,473,782.16
  5. Step 5: Solve for x
    x = 81,473,782.16/10,240.96
  6. Step 6: Final answer
    x = 7,955.68

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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.