Home / 40,475.76-60,713.36-10,891.12

Finding the Fourth Proportional to 40,475.76, 60,713.36 and 10,891.12

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Solution

The fourth proportional to 40,475.76, 60,713.36 and 10,891.12 is: 16,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.76 : 60,713.36 = 10,891.12 : x
  2. Step 2: Convert to fraction form
    40,475.76/60,713.36 = 10,891.12/x
  3. Step 3: Cross multiply
    40,475.76x = 60,713.36 × 10,891.12
  4. Step 4: Simplify right side
    40,475.76x = 661,236,489.36
  5. Step 5: Solve for x
    x = 661,236,489.36/40,475.76
  6. Step 6: Final answer
    x = 16,336.60

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1.5x scale

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.