Home / 7,962.63-11,943.92-2,119.24

Finding the Fourth Proportional to 7,962.63, 11,943.92 and 2,119.24

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Solution

The fourth proportional to 7,962.63, 11,943.92 and 2,119.24 is: 3,178.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.63 : 11,943.92 = 2,119.24 : x
  2. Step 2: Convert to fraction form
    7,962.63/11,943.92 = 2,119.24/x
  3. Step 3: Cross multiply
    7,962.63x = 11,943.92 × 2,119.24
  4. Step 4: Simplify right side
    7,962.63x = 25,312,033.02
  5. Step 5: Solve for x
    x = 25,312,033.02/7,962.63
  6. Step 6: Final answer
    x = 3,178.85

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1.5x scale

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.