Home / 9,438.75-13,025.48-5,247.81

Finding the Fourth Proportional to 9,438.75, 13,025.48 and 5,247.81

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Solution

The fourth proportional to 9,438.75, 13,025.48 and 5,247.81 is: 7,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.75 : 13,025.48 = 5,247.81 : x
  2. Step 2: Convert to fraction form
    9,438.75/13,025.48 = 5,247.81/x
  3. Step 3: Cross multiply
    9,438.75x = 13,025.48 × 5,247.81
  4. Step 4: Simplify right side
    9,438.75x = 68,355,217.96
  5. Step 5: Solve for x
    x = 68,355,217.96/9,438.75
  6. Step 6: Final answer
    x = 7,241.98

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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.