Home / 11,226.24-16,839.80-4,986.30

Finding the Fourth Proportional to 11,226.24, 16,839.80 and 4,986.30

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Solution

The fourth proportional to 11,226.24, 16,839.80 and 4,986.30 is: 7,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.24 : 16,839.80 = 4,986.30 : x
  2. Step 2: Convert to fraction form
    11,226.24/16,839.80 = 4,986.30/x
  3. Step 3: Cross multiply
    11,226.24x = 16,839.80 × 4,986.30
  4. Step 4: Simplify right side
    11,226.24x = 83,968,294.74
  5. Step 5: Solve for x
    x = 83,968,294.74/11,226.24
  6. Step 6: Final answer
    x = 7,479.65

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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.