Home / 9,167.81-12,652.61-5,189.18

Finding the Fourth Proportional to 9,167.81, 12,652.61 and 5,189.18

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Solution

The fourth proportional to 9,167.81, 12,652.61 and 5,189.18 is: 7,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.81 : 12,652.61 = 5,189.18 : x
  2. Step 2: Convert to fraction form
    9,167.81/12,652.61 = 5,189.18/x
  3. Step 3: Cross multiply
    9,167.81x = 12,652.61 × 5,189.18
  4. Step 4: Simplify right side
    9,167.81x = 65,656,670.76
  5. Step 5: Solve for x
    x = 65,656,670.76/9,167.81
  6. Step 6: Final answer
    x = 7,161.65

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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.