Home / 12,246.10-18,376.35-4,453.90

Finding the Fourth Proportional to 12,246.10, 18,376.35 and 4,453.90

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Solution

The fourth proportional to 12,246.10, 18,376.35 and 4,453.90 is: 6,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.10 : 18,376.35 = 4,453.90 : x
  2. Step 2: Convert to fraction form
    12,246.10/18,376.35 = 4,453.90/x
  3. Step 3: Cross multiply
    12,246.10x = 18,376.35 × 4,453.90
  4. Step 4: Simplify right side
    12,246.10x = 81,846,425.27
  5. Step 5: Solve for x
    x = 81,846,425.27/12,246.10
  6. Step 6: Final answer
    x = 6,683.47

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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.