Home / 10,240.68-14,131.65-5,764.32

Finding the Fourth Proportional to 10,240.68, 14,131.65 and 5,764.32

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Solution

The fourth proportional to 10,240.68, 14,131.65 and 5,764.32 is: 7,954.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.68 : 14,131.65 = 5,764.32 : x
  2. Step 2: Convert to fraction form
    10,240.68/14,131.65 = 5,764.32/x
  3. Step 3: Cross multiply
    10,240.68x = 14,131.65 × 5,764.32
  4. Step 4: Simplify right side
    10,240.68x = 81,459,352.73
  5. Step 5: Solve for x
    x = 81,459,352.73/10,240.68
  6. Step 6: Final answer
    x = 7,954.49

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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.