Home / 10,325.27-15,487.40-3,209.46

Finding the Fourth Proportional to 10,325.27, 15,487.40 and 3,209.46

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Solution

The fourth proportional to 10,325.27, 15,487.40 and 3,209.46 is: 4,814.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.27 : 15,487.40 = 3,209.46 : x
  2. Step 2: Convert to fraction form
    10,325.27/15,487.40 = 3,209.46/x
  3. Step 3: Cross multiply
    10,325.27x = 15,487.40 × 3,209.46
  4. Step 4: Simplify right side
    10,325.27x = 49,706,140.75
  5. Step 5: Solve for x
    x = 49,706,140.75/10,325.27
  6. Step 6: Final answer
    x = 4,814.03

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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.