Home / 9,954.78-14,922.45-3,709.68

Finding the Fourth Proportional to 9,954.78, 14,922.45 and 3,709.68

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Solution

The fourth proportional to 9,954.78, 14,922.45 and 3,709.68 is: 5,560.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,954.78 : 14,922.45 = 3,709.68 : x
  2. Step 2: Convert to fraction form
    9,954.78/14,922.45 = 3,709.68/x
  3. Step 3: Cross multiply
    9,954.78x = 14,922.45 × 3,709.68
  4. Step 4: Simplify right side
    9,954.78x = 55,357,514.32
  5. Step 5: Solve for x
    x = 55,357,514.32/9,954.78
  6. Step 6: Final answer
    x = 5,560.90

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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.