Home / 12,201.13-16,836.91-6,895.63

Finding the Fourth Proportional to 12,201.13, 16,836.91 and 6,895.63

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Solution

The fourth proportional to 12,201.13, 16,836.91 and 6,895.63 is: 9,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.13 : 16,836.91 = 6,895.63 : x
  2. Step 2: Convert to fraction form
    12,201.13/16,836.91 = 6,895.63/x
  3. Step 3: Cross multiply
    12,201.13x = 16,836.91 × 6,895.63
  4. Step 4: Simplify right side
    12,201.13x = 116,101,144.30
  5. Step 5: Solve for x
    x = 116,101,144.30/12,201.13
  6. Step 6: Final answer
    x = 9,515.60

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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.