Home / 11,309.50-16,966.14-3,516.76

Finding the Fourth Proportional to 11,309.50, 16,966.14 and 3,516.76

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Solution

The fourth proportional to 11,309.50, 16,966.14 and 3,516.76 is: 5,275.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.50 : 16,966.14 = 3,516.76 : x
  2. Step 2: Convert to fraction form
    11,309.50/16,966.14 = 3,516.76/x
  3. Step 3: Cross multiply
    11,309.50x = 16,966.14 × 3,516.76
  4. Step 4: Simplify right side
    11,309.50x = 59,665,842.51
  5. Step 5: Solve for x
    x = 59,665,842.51/11,309.50
  6. Step 6: Final answer
    x = 5,275.73

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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.