Home / 9,219.18-12,722.45-5,027.43

Finding the Fourth Proportional to 9,219.18, 12,722.45 and 5,027.43

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Solution

The fourth proportional to 9,219.18, 12,722.45 and 5,027.43 is: 6,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.18 : 12,722.45 = 5,027.43 : x
  2. Step 2: Convert to fraction form
    9,219.18/12,722.45 = 5,027.43/x
  3. Step 3: Cross multiply
    9,219.18x = 12,722.45 × 5,027.43
  4. Step 4: Simplify right side
    9,219.18x = 63,961,201.67
  5. Step 5: Solve for x
    x = 63,961,201.67/9,219.18
  6. Step 6: Final answer
    x = 6,937.84

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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.