Home / 12,577.66-17,359.32-7,275.70

Finding the Fourth Proportional to 12,577.66, 17,359.32 and 7,275.70

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Solution

The fourth proportional to 12,577.66, 17,359.32 and 7,275.70 is: 10,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.66 : 17,359.32 = 7,275.70 : x
  2. Step 2: Convert to fraction form
    12,577.66/17,359.32 = 7,275.70/x
  3. Step 3: Cross multiply
    12,577.66x = 17,359.32 × 7,275.70
  4. Step 4: Simplify right side
    12,577.66x = 126,301,204.52
  5. Step 5: Solve for x
    x = 126,301,204.52/12,577.66
  6. Step 6: Final answer
    x = 10,041.71

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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.