Home / 7,486.98-11,229.28-4,486.69

Finding the Fourth Proportional to 7,486.98, 11,229.28 and 4,486.69

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Solution

The fourth proportional to 7,486.98, 11,229.28 and 4,486.69 is: 6,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.98 : 11,229.28 = 4,486.69 : x
  2. Step 2: Convert to fraction form
    7,486.98/11,229.28 = 4,486.69/x
  3. Step 3: Cross multiply
    7,486.98x = 11,229.28 × 4,486.69
  4. Step 4: Simplify right side
    7,486.98x = 50,382,326.34
  5. Step 5: Solve for x
    x = 50,382,326.34/7,486.98
  6. Step 6: Final answer
    x = 6,729.32

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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.