Home / 12,454.14-18,683.80-5,876.74

Finding the Fourth Proportional to 12,454.14, 18,683.80 and 5,876.74

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Solution

The fourth proportional to 12,454.14, 18,683.80 and 5,876.74 is: 8,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.14 : 18,683.80 = 5,876.74 : x
  2. Step 2: Convert to fraction form
    12,454.14/18,683.80 = 5,876.74/x
  3. Step 3: Cross multiply
    12,454.14x = 18,683.80 × 5,876.74
  4. Step 4: Simplify right side
    12,454.14x = 109,799,834.81
  5. Step 5: Solve for x
    x = 109,799,834.81/12,454.14
  6. Step 6: Final answer
    x = 8,816.33

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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.