Home / 7,963.49-11,946.50-2,415.53

Finding the Fourth Proportional to 7,963.49, 11,946.50 and 2,415.53

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Solution

The fourth proportional to 7,963.49, 11,946.50 and 2,415.53 is: 3,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.49 : 11,946.50 = 2,415.53 : x
  2. Step 2: Convert to fraction form
    7,963.49/11,946.50 = 2,415.53/x
  3. Step 3: Cross multiply
    7,963.49x = 11,946.50 × 2,415.53
  4. Step 4: Simplify right side
    7,963.49x = 28,857,057.33
  5. Step 5: Solve for x
    x = 28,857,057.33/7,963.49
  6. Step 6: Final answer
    x = 3,623.67

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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.