Home / 9,015.98-13,514.38-5,319.94

Finding the Fourth Proportional to 9,015.98, 13,514.38 and 5,319.94

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Solution

The fourth proportional to 9,015.98, 13,514.38 and 5,319.94 is: 7,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.98 : 13,514.38 = 5,319.94 : x
  2. Step 2: Convert to fraction form
    9,015.98/13,514.38 = 5,319.94/x
  3. Step 3: Cross multiply
    9,015.98x = 13,514.38 × 5,319.94
  4. Step 4: Simplify right side
    9,015.98x = 71,895,690.74
  5. Step 5: Solve for x
    x = 71,895,690.74/9,015.98
  6. Step 6: Final answer
    x = 7,974.25

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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.