Home / 9,764.15-13,474.57-5,287.90

Finding the Fourth Proportional to 9,764.15, 13,474.57 and 5,287.90

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Solution

The fourth proportional to 9,764.15, 13,474.57 and 5,287.90 is: 7,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.15 : 13,474.57 = 5,287.90 : x
  2. Step 2: Convert to fraction form
    9,764.15/13,474.57 = 5,287.90/x
  3. Step 3: Cross multiply
    9,764.15x = 13,474.57 × 5,287.90
  4. Step 4: Simplify right side
    9,764.15x = 71,252,178.70
  5. Step 5: Solve for x
    x = 71,252,178.70/9,764.15
  6. Step 6: Final answer
    x = 7,297.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.