Home / 8,785.38-13,178.03-3,522.74

Finding the Fourth Proportional to 8,785.38, 13,178.03 and 3,522.74

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Solution

The fourth proportional to 8,785.38, 13,178.03 and 3,522.74 is: 5,284.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.38 : 13,178.03 = 3,522.74 : x
  2. Step 2: Convert to fraction form
    8,785.38/13,178.03 = 3,522.74/x
  3. Step 3: Cross multiply
    8,785.38x = 13,178.03 × 3,522.74
  4. Step 4: Simplify right side
    8,785.38x = 46,422,773.40
  5. Step 5: Solve for x
    x = 46,422,773.40/8,785.38
  6. Step 6: Final answer
    x = 5,284.09

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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.