Home / 8,325.80-12,480.52-4,159.56

Finding the Fourth Proportional to 8,325.80, 12,480.52 and 4,159.56

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Solution

The fourth proportional to 8,325.80, 12,480.52 and 4,159.56 is: 6,235.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.80 : 12,480.52 = 4,159.56 : x
  2. Step 2: Convert to fraction form
    8,325.80/12,480.52 = 4,159.56/x
  3. Step 3: Cross multiply
    8,325.80x = 12,480.52 × 4,159.56
  4. Step 4: Simplify right side
    8,325.80x = 51,913,471.77
  5. Step 5: Solve for x
    x = 51,913,471.77/8,325.80
  6. Step 6: Final answer
    x = 6,235.25

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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.