Home / 12,240.06-16,892.65-7,205.52

Finding the Fourth Proportional to 12,240.06, 16,892.65 and 7,205.52

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Solution

The fourth proportional to 12,240.06, 16,892.65 and 7,205.52 is: 9,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.06 : 16,892.65 = 7,205.52 : x
  2. Step 2: Convert to fraction form
    12,240.06/16,892.65 = 7,205.52/x
  3. Step 3: Cross multiply
    12,240.06x = 16,892.65 × 7,205.52
  4. Step 4: Simplify right side
    12,240.06x = 121,720,399.78
  5. Step 5: Solve for x
    x = 121,720,399.78/12,240.06
  6. Step 6: Final answer
    x = 9,944.43

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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.