Home / 12,443.10-18,657.45-4,652.70

Finding the Fourth Proportional to 12,443.10, 18,657.45 and 4,652.70

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Solution

The fourth proportional to 12,443.10, 18,657.45 and 4,652.70 is: 6,976.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.10 : 18,657.45 = 4,652.70 : x
  2. Step 2: Convert to fraction form
    12,443.10/18,657.45 = 4,652.70/x
  3. Step 3: Cross multiply
    12,443.10x = 18,657.45 × 4,652.70
  4. Step 4: Simplify right side
    12,443.10x = 86,807,517.62
  5. Step 5: Solve for x
    x = 86,807,517.62/12,443.10
  6. Step 6: Final answer
    x = 6,976.36

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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.