Home / 8,475.10-12,712.82-2,631.56

Finding the Fourth Proportional to 8,475.10, 12,712.82 and 2,631.56

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Solution

The fourth proportional to 8,475.10, 12,712.82 and 2,631.56 is: 3,947.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.10 : 12,712.82 = 2,631.56 : x
  2. Step 2: Convert to fraction form
    8,475.10/12,712.82 = 2,631.56/x
  3. Step 3: Cross multiply
    8,475.10x = 12,712.82 × 2,631.56
  4. Step 4: Simplify right side
    8,475.10x = 33,454,548.60
  5. Step 5: Solve for x
    x = 33,454,548.60/8,475.10
  6. Step 6: Final answer
    x = 3,947.39

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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.