Home / 7,471.86-11,177.55-6,241.74

Finding the Fourth Proportional to 7,471.86, 11,177.55 and 6,241.74

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Solution

The fourth proportional to 7,471.86, 11,177.55 and 6,241.74 is: 9,337.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.86 : 11,177.55 = 6,241.74 : x
  2. Step 2: Convert to fraction form
    7,471.86/11,177.55 = 6,241.74/x
  3. Step 3: Cross multiply
    7,471.86x = 11,177.55 × 6,241.74
  4. Step 4: Simplify right side
    7,471.86x = 69,767,360.94
  5. Step 5: Solve for x
    x = 69,767,360.94/7,471.86
  6. Step 6: Final answer
    x = 9,337.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.