Home / 11,151.48-16,718.76-6,767.76

Finding the Fourth Proportional to 11,151.48, 16,718.76 and 6,767.76

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Solution

The fourth proportional to 11,151.48, 16,718.76 and 6,767.76 is: 10,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.48 : 16,718.76 = 6,767.76 : x
  2. Step 2: Convert to fraction form
    11,151.48/16,718.76 = 6,767.76/x
  3. Step 3: Cross multiply
    11,151.48x = 16,718.76 × 6,767.76
  4. Step 4: Simplify right side
    11,151.48x = 113,148,555.18
  5. Step 5: Solve for x
    x = 113,148,555.18/11,151.48
  6. Step 6: Final answer
    x = 10,146.51

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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.