Home / 11,438.50-17,155.96-4,417.48

Finding the Fourth Proportional to 11,438.50, 17,155.96 and 4,417.48

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Solution

The fourth proportional to 11,438.50, 17,155.96 and 4,417.48 is: 6,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438.50 : 17,155.96 = 4,417.48 : x
  2. Step 2: Convert to fraction form
    11,438.50/17,155.96 = 4,417.48/x
  3. Step 3: Cross multiply
    11,438.50x = 17,155.96 × 4,417.48
  4. Step 4: Simplify right side
    11,438.50x = 75,786,110.18
  5. Step 5: Solve for x
    x = 75,786,110.18/11,438.50
  6. Step 6: Final answer
    x = 6,625.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.