Home / 12,376.68-18,568.85-4,056.76

Finding the Fourth Proportional to 12,376.68, 18,568.85 and 4,056.76

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Solution

The fourth proportional to 12,376.68, 18,568.85 and 4,056.76 is: 6,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.68 : 18,568.85 = 4,056.76 : x
  2. Step 2: Convert to fraction form
    12,376.68/18,568.85 = 4,056.76/x
  3. Step 3: Cross multiply
    12,376.68x = 18,568.85 × 4,056.76
  4. Step 4: Simplify right side
    12,376.68x = 75,329,367.93
  5. Step 5: Solve for x
    x = 75,329,367.93/12,376.68
  6. Step 6: Final answer
    x = 6,086.40

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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.