Home / 9,247.98-12,763.34-5,215.58

Finding the Fourth Proportional to 9,247.98, 12,763.34 and 5,215.58

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Solution

The fourth proportional to 9,247.98, 12,763.34 and 5,215.58 is: 7,198.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.98 : 12,763.34 = 5,215.58 : x
  2. Step 2: Convert to fraction form
    9,247.98/12,763.34 = 5,215.58/x
  3. Step 3: Cross multiply
    9,247.98x = 12,763.34 × 5,215.58
  4. Step 4: Simplify right side
    9,247.98x = 66,568,220.84
  5. Step 5: Solve for x
    x = 66,568,220.84/9,247.98
  6. Step 6: Final answer
    x = 7,198.14

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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.