Home / 11,515.42-17,254.66-10,408.25

Finding the Fourth Proportional to 11,515.42, 17,254.66 and 10,408.25

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Solution

The fourth proportional to 11,515.42, 17,254.66 and 10,408.25 is: 15,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.42 : 17,254.66 = 10,408.25 : x
  2. Step 2: Convert to fraction form
    11,515.42/17,254.66 = 10,408.25/x
  3. Step 3: Cross multiply
    11,515.42x = 17,254.66 × 10,408.25
  4. Step 4: Simplify right side
    11,515.42x = 179,590,814.95
  5. Step 5: Solve for x
    x = 179,590,814.95/11,515.42
  6. Step 6: Final answer
    x = 15,595.68

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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.