Home / 7,474.17-11,216.48-3,091.67

Finding the Fourth Proportional to 7,474.17, 11,216.48 and 3,091.67

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Solution

The fourth proportional to 7,474.17, 11,216.48 and 3,091.67 is: 4,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.17 : 11,216.48 = 3,091.67 : x
  2. Step 2: Convert to fraction form
    7,474.17/11,216.48 = 3,091.67/x
  3. Step 3: Cross multiply
    7,474.17x = 11,216.48 × 3,091.67
  4. Step 4: Simplify right side
    7,474.17x = 34,677,583.18
  5. Step 5: Solve for x
    x = 34,677,583.18/7,474.17
  6. Step 6: Final answer
    x = 4,639.66

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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.