Home / 9,160.04-12,641.11-5,181.75

Finding the Fourth Proportional to 9,160.04, 12,641.11 and 5,181.75

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Solution

The fourth proportional to 9,160.04, 12,641.11 and 5,181.75 is: 7,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,160.04 : 12,641.11 = 5,181.75 : x
  2. Step 2: Convert to fraction form
    9,160.04/12,641.11 = 5,181.75/x
  3. Step 3: Cross multiply
    9,160.04x = 12,641.11 × 5,181.75
  4. Step 4: Simplify right side
    9,160.04x = 65,503,058.79
  5. Step 5: Solve for x
    x = 65,503,058.79/9,160.04
  6. Step 6: Final answer
    x = 7,150.96

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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.