Home / 9,438.63-13,025.33-5,247.69

Finding the Fourth Proportional to 9,438.63, 13,025.33 and 5,247.69

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Solution

The fourth proportional to 9,438.63, 13,025.33 and 5,247.69 is: 7,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.63 : 13,025.33 = 5,247.69 : x
  2. Step 2: Convert to fraction form
    9,438.63/13,025.33 = 5,247.69/x
  3. Step 3: Cross multiply
    9,438.63x = 13,025.33 × 5,247.69
  4. Step 4: Simplify right side
    9,438.63x = 68,352,893.99
  5. Step 5: Solve for x
    x = 68,352,893.99/9,438.63
  6. Step 6: Final answer
    x = 7,241.82

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Half scale
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Double scale
Find fourth proportional to 9,439.63, 13,026.71 and 5,248.69
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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.