Home / 10,349.87-15,520.02-3,328.58

Finding the Fourth Proportional to 10,349.87, 15,520.02 and 3,328.58

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Solution

The fourth proportional to 10,349.87, 15,520.02 and 3,328.58 is: 4,991.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,349.87 : 15,520.02 = 3,328.58 : x
  2. Step 2: Convert to fraction form
    10,349.87/15,520.02 = 3,328.58/x
  3. Step 3: Cross multiply
    10,349.87x = 15,520.02 × 3,328.58
  4. Step 4: Simplify right side
    10,349.87x = 51,659,550.57
  5. Step 5: Solve for x
    x = 51,659,550.57/10,349.87
  6. Step 6: Final answer
    x = 4,991.33

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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.