Home / 9,167.94-12,651.66-5,189.04

Finding the Fourth Proportional to 9,167.94, 12,651.66 and 5,189.04

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Solution

The fourth proportional to 9,167.94, 12,651.66 and 5,189.04 is: 7,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.94 : 12,651.66 = 5,189.04 : x
  2. Step 2: Convert to fraction form
    9,167.94/12,651.66 = 5,189.04/x
  3. Step 3: Cross multiply
    9,167.94x = 12,651.66 × 5,189.04
  4. Step 4: Simplify right side
    9,167.94x = 65,649,969.81
  5. Step 5: Solve for x
    x = 65,649,969.81/9,167.94
  6. Step 6: Final answer
    x = 7,160.82

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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.