Home / 7,415.39-11,124.30-3,517.67

Finding the Fourth Proportional to 7,415.39, 11,124.30 and 3,517.67

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Solution

The fourth proportional to 7,415.39, 11,124.30 and 3,517.67 is: 5,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.39 : 11,124.30 = 3,517.67 : x
  2. Step 2: Convert to fraction form
    7,415.39/11,124.30 = 3,517.67/x
  3. Step 3: Cross multiply
    7,415.39x = 11,124.30 × 3,517.67
  4. Step 4: Simplify right side
    7,415.39x = 39,131,616.38
  5. Step 5: Solve for x
    x = 39,131,616.38/7,415.39
  6. Step 6: Final answer
    x = 5,277.08

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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.