Home / 10,431.06-15,644.97-3,507.18

Finding the Fourth Proportional to 10,431.06, 15,644.97 and 3,507.18

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Solution

The fourth proportional to 10,431.06, 15,644.97 and 3,507.18 is: 5,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.06 : 15,644.97 = 3,507.18 : x
  2. Step 2: Convert to fraction form
    10,431.06/15,644.97 = 3,507.18/x
  3. Step 3: Cross multiply
    10,431.06x = 15,644.97 × 3,507.18
  4. Step 4: Simplify right side
    10,431.06x = 54,869,725.88
  5. Step 5: Solve for x
    x = 54,869,725.88/10,431.06
  6. Step 6: Final answer
    x = 5,260.23

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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.