Home / 10,239.12-14,131.35-5,763.75

Finding the Fourth Proportional to 10,239.12, 14,131.35 and 5,763.75

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Solution

The fourth proportional to 10,239.12, 14,131.35 and 5,763.75 is: 7,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.12 : 14,131.35 = 5,763.75 : x
  2. Step 2: Convert to fraction form
    10,239.12/14,131.35 = 5,763.75/x
  3. Step 3: Cross multiply
    10,239.12x = 14,131.35 × 5,763.75
  4. Step 4: Simplify right side
    10,239.12x = 81,449,568.56
  5. Step 5: Solve for x
    x = 81,449,568.56/10,239.12
  6. Step 6: Final answer
    x = 7,954.74

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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.