Home / 7,642.68-11,444.58-5,037.72

Finding the Fourth Proportional to 7,642.68, 11,444.58 and 5,037.72

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Solution

The fourth proportional to 7,642.68, 11,444.58 and 5,037.72 is: 7,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.68 : 11,444.58 = 5,037.72 : x
  2. Step 2: Convert to fraction form
    7,642.68/11,444.58 = 5,037.72/x
  3. Step 3: Cross multiply
    7,642.68x = 11,444.58 × 5,037.72
  4. Step 4: Simplify right side
    7,642.68x = 57,654,589.56
  5. Step 5: Solve for x
    x = 57,654,589.56/7,642.68
  6. Step 6: Final answer
    x = 7,543.77

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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.