Home / 8,955.28-13,436.79-3,410.29

Finding the Fourth Proportional to 8,955.28, 13,436.79 and 3,410.29

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Solution

The fourth proportional to 8,955.28, 13,436.79 and 3,410.29 is: 5,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.28 : 13,436.79 = 3,410.29 : x
  2. Step 2: Convert to fraction form
    8,955.28/13,436.79 = 3,410.29/x
  3. Step 3: Cross multiply
    8,955.28x = 13,436.79 × 3,410.29
  4. Step 4: Simplify right side
    8,955.28x = 45,823,350.57
  5. Step 5: Solve for x
    x = 45,823,350.57/8,955.28
  6. Step 6: Final answer
    x = 5,116.91

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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.