Home / 17,606.28-26,408.10-6,507.78

Finding the Fourth Proportional to 17,606.28, 26,408.10 and 6,507.78

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Solution

The fourth proportional to 17,606.28, 26,408.10 and 6,507.78 is: 9,761.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.28 : 26,408.10 = 6,507.78 : x
  2. Step 2: Convert to fraction form
    17,606.28/26,408.10 = 6,507.78/x
  3. Step 3: Cross multiply
    17,606.28x = 26,408.10 × 6,507.78
  4. Step 4: Simplify right side
    17,606.28x = 171,858,105.02
  5. Step 5: Solve for x
    x = 171,858,105.02/17,606.28
  6. Step 6: Final answer
    x = 9,761.18

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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.