Home / 8,307.48-12,464.28-3,377.64

Finding the Fourth Proportional to 8,307.48, 12,464.28 and 3,377.64

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Solution

The fourth proportional to 8,307.48, 12,464.28 and 3,377.64 is: 5,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.48 : 12,464.28 = 3,377.64 : x
  2. Step 2: Convert to fraction form
    8,307.48/12,464.28 = 3,377.64/x
  3. Step 3: Cross multiply
    8,307.48x = 12,464.28 × 3,377.64
  4. Step 4: Simplify right side
    8,307.48x = 42,099,850.70
  5. Step 5: Solve for x
    x = 42,099,850.70/8,307.48
  6. Step 6: Final answer
    x = 5,067.70

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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.