Home / 12,107.07-16,707.77-6,801.88

Finding the Fourth Proportional to 12,107.07, 16,707.77 and 6,801.88

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Solution

The fourth proportional to 12,107.07, 16,707.77 and 6,801.88 is: 9,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.07 : 16,707.77 = 6,801.88 : x
  2. Step 2: Convert to fraction form
    12,107.07/16,707.77 = 6,801.88/x
  3. Step 3: Cross multiply
    12,107.07x = 16,707.77 × 6,801.88
  4. Step 4: Simplify right side
    12,107.07x = 113,644,246.61
  5. Step 5: Solve for x
    x = 113,644,246.61/12,107.07
  6. Step 6: Final answer
    x = 9,386.60

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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.