Home / 10,325.87-15,487.46-3,305.29

Finding the Fourth Proportional to 10,325.87, 15,487.46 and 3,305.29

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Solution

The fourth proportional to 10,325.87, 15,487.46 and 3,305.29 is: 4,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.87 : 15,487.46 = 3,305.29 : x
  2. Step 2: Convert to fraction form
    10,325.87/15,487.46 = 3,305.29/x
  3. Step 3: Cross multiply
    10,325.87x = 15,487.46 × 3,305.29
  4. Step 4: Simplify right side
    10,325.87x = 51,190,580.48
  5. Step 5: Solve for x
    x = 51,190,580.48/10,325.87
  6. Step 6: Final answer
    x = 4,957.51

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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.