Home / 7,518.47-11,274.54-2,251.58

Finding the Fourth Proportional to 7,518.47, 11,274.54 and 2,251.58

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Solution

The fourth proportional to 7,518.47, 11,274.54 and 2,251.58 is: 3,376.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.47 : 11,274.54 = 2,251.58 : x
  2. Step 2: Convert to fraction form
    7,518.47/11,274.54 = 2,251.58/x
  3. Step 3: Cross multiply
    7,518.47x = 11,274.54 × 2,251.58
  4. Step 4: Simplify right side
    7,518.47x = 25,385,472.40
  5. Step 5: Solve for x
    x = 25,385,472.40/7,518.47
  6. Step 6: Final answer
    x = 3,376.42

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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.