Home / 8,338.38-11,482.47-7,453.86

Finding the Fourth Proportional to 8,338.38, 11,482.47 and 7,453.86

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Solution

The fourth proportional to 8,338.38, 11,482.47 and 7,453.86 is: 10,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,338.38 : 11,482.47 = 7,453.86 : x
  2. Step 2: Convert to fraction form
    8,338.38/11,482.47 = 7,453.86/x
  3. Step 3: Cross multiply
    8,338.38x = 11,482.47 × 7,453.86
  4. Step 4: Simplify right side
    8,338.38x = 85,588,723.83
  5. Step 5: Solve for x
    x = 85,588,723.83/8,338.38
  6. Step 6: Final answer
    x = 10,264.43

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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.