Home / 9,146.60-12,622.50-5,372.44

Finding the Fourth Proportional to 9,146.60, 12,622.50 and 5,372.44

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Solution

The fourth proportional to 9,146.60, 12,622.50 and 5,372.44 is: 7,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.60 : 12,622.50 = 5,372.44 : x
  2. Step 2: Convert to fraction form
    9,146.60/12,622.50 = 5,372.44/x
  3. Step 3: Cross multiply
    9,146.60x = 12,622.50 × 5,372.44
  4. Step 4: Simplify right side
    9,146.60x = 67,813,623.90
  5. Step 5: Solve for x
    x = 67,813,623.90/9,146.60
  6. Step 6: Final answer
    x = 7,414.08

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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.