Home / 12,206.17-16,839.75-7,962.22

Finding the Fourth Proportional to 12,206.17, 16,839.75 and 7,962.22

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Solution

The fourth proportional to 12,206.17, 16,839.75 and 7,962.22 is: 10,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.17 : 16,839.75 = 7,962.22 : x
  2. Step 2: Convert to fraction form
    12,206.17/16,839.75 = 7,962.22/x
  3. Step 3: Cross multiply
    12,206.17x = 16,839.75 × 7,962.22
  4. Step 4: Simplify right side
    12,206.17x = 134,081,794.25
  5. Step 5: Solve for x
    x = 134,081,794.25/12,206.17
  6. Step 6: Final answer
    x = 10,984.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.