Home / 10,919.06-16,366.91-5,648.76

Finding the Fourth Proportional to 10,919.06, 16,366.91 and 5,648.76

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Solution

The fourth proportional to 10,919.06, 16,366.91 and 5,648.76 is: 8,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.06 : 16,366.91 = 5,648.76 : x
  2. Step 2: Convert to fraction form
    10,919.06/16,366.91 = 5,648.76/x
  3. Step 3: Cross multiply
    10,919.06x = 16,366.91 × 5,648.76
  4. Step 4: Simplify right side
    10,919.06x = 92,452,718.29
  5. Step 5: Solve for x
    x = 92,452,718.29/10,919.06
  6. Step 6: Final answer
    x = 8,467.09

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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.