Home / 9,506.20-13,118.88-5,257.48

Finding the Fourth Proportional to 9,506.20, 13,118.88 and 5,257.48

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Solution

The fourth proportional to 9,506.20, 13,118.88 and 5,257.48 is: 7,255.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,506.20 : 13,118.88 = 5,257.48 : x
  2. Step 2: Convert to fraction form
    9,506.20/13,118.88 = 5,257.48/x
  3. Step 3: Cross multiply
    9,506.20x = 13,118.88 × 5,257.48
  4. Step 4: Simplify right side
    9,506.20x = 68,972,249.22
  5. Step 5: Solve for x
    x = 68,972,249.22/9,506.20
  6. Step 6: Final answer
    x = 7,255.50

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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.