Home / 12,555.29-17,326.15-7,249.99

Finding the Fourth Proportional to 12,555.29, 17,326.15 and 7,249.99

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Solution

The fourth proportional to 12,555.29, 17,326.15 and 7,249.99 is: 10,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555.29 : 17,326.15 = 7,249.99 : x
  2. Step 2: Convert to fraction form
    12,555.29/17,326.15 = 7,249.99/x
  3. Step 3: Cross multiply
    12,555.29x = 17,326.15 × 7,249.99
  4. Step 4: Simplify right side
    12,555.29x = 125,614,426.07
  5. Step 5: Solve for x
    x = 125,614,426.07/12,555.29
  6. Step 6: Final answer
    x = 10,004.90

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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.