Home / 9,192.78-13,788.45-2,953.02

Finding the Fourth Proportional to 9,192.78, 13,788.45 and 2,953.02

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Solution

The fourth proportional to 9,192.78, 13,788.45 and 2,953.02 is: 4,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.78 : 13,788.45 = 2,953.02 : x
  2. Step 2: Convert to fraction form
    9,192.78/13,788.45 = 2,953.02/x
  3. Step 3: Cross multiply
    9,192.78x = 13,788.45 × 2,953.02
  4. Step 4: Simplify right side
    9,192.78x = 40,717,568.62
  5. Step 5: Solve for x
    x = 40,717,568.62/9,192.78
  6. Step 6: Final answer
    x = 4,429.30

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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.