Home / 10,954.49-16,436.92-5,686.70

Finding the Fourth Proportional to 10,954.49, 16,436.92 and 5,686.70

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Solution

The fourth proportional to 10,954.49, 16,436.92 and 5,686.70 is: 8,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.49 : 16,436.92 = 5,686.70 : x
  2. Step 2: Convert to fraction form
    10,954.49/16,436.92 = 5,686.70/x
  3. Step 3: Cross multiply
    10,954.49x = 16,436.92 × 5,686.70
  4. Step 4: Simplify right side
    10,954.49x = 93,471,832.96
  5. Step 5: Solve for x
    x = 93,471,832.96/10,954.49
  6. Step 6: Final answer
    x = 8,532.74

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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.