Home / 7,538.50-11,305.56-2,606.86

Finding the Fourth Proportional to 7,538.50, 11,305.56 and 2,606.86

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Solution

The fourth proportional to 7,538.50, 11,305.56 and 2,606.86 is: 3,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.50 : 11,305.56 = 2,606.86 : x
  2. Step 2: Convert to fraction form
    7,538.50/11,305.56 = 2,606.86/x
  3. Step 3: Cross multiply
    7,538.50x = 11,305.56 × 2,606.86
  4. Step 4: Simplify right side
    7,538.50x = 29,472,012.14
  5. Step 5: Solve for x
    x = 29,472,012.14/7,538.50
  6. Step 6: Final answer
    x = 3,909.53

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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.