Home / 9,439.25-13,026.18-5,247.50

Finding the Fourth Proportional to 9,439.25, 13,026.18 and 5,247.50

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Solution

The fourth proportional to 9,439.25, 13,026.18 and 5,247.50 is: 7,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.25 : 13,026.18 = 5,247.50 : x
  2. Step 2: Convert to fraction form
    9,439.25/13,026.18 = 5,247.50/x
  3. Step 3: Cross multiply
    9,439.25x = 13,026.18 × 5,247.50
  4. Step 4: Simplify right side
    9,439.25x = 68,354,879.55
  5. Step 5: Solve for x
    x = 68,354,879.55/9,439.25
  6. Step 6: Final answer
    x = 7,241.56

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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.