Home / 12,040.38-16,616.97-6,936.07

Finding the Fourth Proportional to 12,040.38, 16,616.97 and 6,936.07

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Solution

The fourth proportional to 12,040.38, 16,616.97 and 6,936.07 is: 9,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.38 : 16,616.97 = 6,936.07 : x
  2. Step 2: Convert to fraction form
    12,040.38/16,616.97 = 6,936.07/x
  3. Step 3: Cross multiply
    12,040.38x = 16,616.97 × 6,936.07
  4. Step 4: Simplify right side
    12,040.38x = 115,256,484.45
  5. Step 5: Solve for x
    x = 115,256,484.45/12,040.38
  6. Step 6: Final answer
    x = 9,572.50

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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.