Home / 10,990.26-16,488.81-3,594.78

Finding the Fourth Proportional to 10,990.26, 16,488.81 and 3,594.78

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Solution

The fourth proportional to 10,990.26, 16,488.81 and 3,594.78 is: 5,393.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,990.26 : 16,488.81 = 3,594.78 : x
  2. Step 2: Convert to fraction form
    10,990.26/16,488.81 = 3,594.78/x
  3. Step 3: Cross multiply
    10,990.26x = 16,488.81 × 3,594.78
  4. Step 4: Simplify right side
    10,990.26x = 59,273,644.41
  5. Step 5: Solve for x
    x = 59,273,644.41/10,990.26
  6. Step 6: Final answer
    x = 5,393.29

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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.