Home / 9,015.91-12,441.19-5,237.86

Finding the Fourth Proportional to 9,015.91, 12,441.19 and 5,237.86

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Solution

The fourth proportional to 9,015.91, 12,441.19 and 5,237.86 is: 7,227.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.91 : 12,441.19 = 5,237.86 : x
  2. Step 2: Convert to fraction form
    9,015.91/12,441.19 = 5,237.86/x
  3. Step 3: Cross multiply
    9,015.91x = 12,441.19 × 5,237.86
  4. Step 4: Simplify right side
    9,015.91x = 65,165,211.45
  5. Step 5: Solve for x
    x = 65,165,211.45/9,015.91
  6. Step 6: Final answer
    x = 7,227.80

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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.