Home / 9,392.24-12,961.49-5,143.48

Finding the Fourth Proportional to 9,392.24, 12,961.49 and 5,143.48

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Solution

The fourth proportional to 9,392.24, 12,961.49 and 5,143.48 is: 7,098.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,392.24 : 12,961.49 = 5,143.48 : x
  2. Step 2: Convert to fraction form
    9,392.24/12,961.49 = 5,143.48/x
  3. Step 3: Cross multiply
    9,392.24x = 12,961.49 × 5,143.48
  4. Step 4: Simplify right side
    9,392.24x = 66,667,164.59
  5. Step 5: Solve for x
    x = 66,667,164.59/9,392.24
  6. Step 6: Final answer
    x = 7,098.11

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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.