Home / 11,642.15-17,453.48-4,617.78

Finding the Fourth Proportional to 11,642.15, 17,453.48 and 4,617.78

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Solution

The fourth proportional to 11,642.15, 17,453.48 and 4,617.78 is: 6,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.15 : 17,453.48 = 4,617.78 : x
  2. Step 2: Convert to fraction form
    11,642.15/17,453.48 = 4,617.78/x
  3. Step 3: Cross multiply
    11,642.15x = 17,453.48 × 4,617.78
  4. Step 4: Simplify right side
    11,642.15x = 80,596,342.42
  5. Step 5: Solve for x
    x = 80,596,342.42/11,642.15
  6. Step 6: Final answer
    x = 6,922.80

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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.