Home / 9,919.98-14,879.97-4,723.02

Finding the Fourth Proportional to 9,919.98, 14,879.97 and 4,723.02

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Solution

The fourth proportional to 9,919.98, 14,879.97 and 4,723.02 is: 7,084.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.98 : 14,879.97 = 4,723.02 : x
  2. Step 2: Convert to fraction form
    9,919.98/14,879.97 = 4,723.02/x
  3. Step 3: Cross multiply
    9,919.98x = 14,879.97 × 4,723.02
  4. Step 4: Simplify right side
    9,919.98x = 70,278,395.91
  5. Step 5: Solve for x
    x = 70,278,395.91/9,919.98
  6. Step 6: Final answer
    x = 7,084.53

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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.