Home / 8,820.92-12,178.57-5,467.30

Finding the Fourth Proportional to 8,820.92, 12,178.57 and 5,467.30

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Solution

The fourth proportional to 8,820.92, 12,178.57 and 5,467.30 is: 7,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.92 : 12,178.57 = 5,467.30 : x
  2. Step 2: Convert to fraction form
    8,820.92/12,178.57 = 5,467.30/x
  3. Step 3: Cross multiply
    8,820.92x = 12,178.57 × 5,467.30
  4. Step 4: Simplify right side
    8,820.92x = 66,583,861.90
  5. Step 5: Solve for x
    x = 66,583,861.90/8,820.92
  6. Step 6: Final answer
    x = 7,548.41

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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.