Home / 9,167.19-12,648.52-5,390.16

Finding the Fourth Proportional to 9,167.19, 12,648.52 and 5,390.16

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Solution

The fourth proportional to 9,167.19, 12,648.52 and 5,390.16 is: 7,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.19 : 12,648.52 = 5,390.16 : x
  2. Step 2: Convert to fraction form
    9,167.19/12,648.52 = 5,390.16/x
  3. Step 3: Cross multiply
    9,167.19x = 12,648.52 × 5,390.16
  4. Step 4: Simplify right side
    9,167.19x = 68,177,546.56
  5. Step 5: Solve for x
    x = 68,177,546.56/9,167.19
  6. Step 6: Final answer
    x = 7,437.13

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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.