Home / 8,774.32-12,103.68-5,236.96

Finding the Fourth Proportional to 8,774.32, 12,103.68 and 5,236.96

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Solution

The fourth proportional to 8,774.32, 12,103.68 and 5,236.96 is: 7,224.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.32 : 12,103.68 = 5,236.96 : x
  2. Step 2: Convert to fraction form
    8,774.32/12,103.68 = 5,236.96/x
  3. Step 3: Cross multiply
    8,774.32x = 12,103.68 × 5,236.96
  4. Step 4: Simplify right side
    8,774.32x = 63,386,488.01
  5. Step 5: Solve for x
    x = 63,386,488.01/8,774.32
  6. Step 6: Final answer
    x = 7,224.09

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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.