Home / 11,251.16-16,876.74-2,931.15

Finding the Fourth Proportional to 11,251.16, 16,876.74 and 2,931.15

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Solution

The fourth proportional to 11,251.16, 16,876.74 and 2,931.15 is: 4,396.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.16 : 16,876.74 = 2,931.15 : x
  2. Step 2: Convert to fraction form
    11,251.16/16,876.74 = 2,931.15/x
  3. Step 3: Cross multiply
    11,251.16x = 16,876.74 × 2,931.15
  4. Step 4: Simplify right side
    11,251.16x = 49,468,256.45
  5. Step 5: Solve for x
    x = 49,468,256.45/11,251.16
  6. Step 6: Final answer
    x = 4,396.73

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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.