Home / 10,434.35-15,652.37-3,414.21

Finding the Fourth Proportional to 10,434.35, 15,652.37 and 3,414.21

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Solution

The fourth proportional to 10,434.35, 15,652.37 and 3,414.21 is: 5,121.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.35 : 15,652.37 = 3,414.21 : x
  2. Step 2: Convert to fraction form
    10,434.35/15,652.37 = 3,414.21/x
  3. Step 3: Cross multiply
    10,434.35x = 15,652.37 × 3,414.21
  4. Step 4: Simplify right side
    10,434.35x = 53,440,461.11
  5. Step 5: Solve for x
    x = 53,440,461.11/10,434.35
  6. Step 6: Final answer
    x = 5,121.59

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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.