Home / 7,956.48-11,934.74-2,113.09

Finding the Fourth Proportional to 7,956.48, 11,934.74 and 2,113.09

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Solution

The fourth proportional to 7,956.48, 11,934.74 and 2,113.09 is: 3,169.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,956.48 : 11,934.74 = 2,113.09 : x
  2. Step 2: Convert to fraction form
    7,956.48/11,934.74 = 2,113.09/x
  3. Step 3: Cross multiply
    7,956.48x = 11,934.74 × 2,113.09
  4. Step 4: Simplify right side
    7,956.48x = 25,219,155.19
  5. Step 5: Solve for x
    x = 25,219,155.19/7,956.48
  6. Step 6: Final answer
    x = 3,169.64

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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.