Home / 12,107.44-16,708.21-6,802.25

Finding the Fourth Proportional to 12,107.44, 16,708.21 and 6,802.25

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Solution

The fourth proportional to 12,107.44, 16,708.21 and 6,802.25 is: 9,387.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.44 : 16,708.21 = 6,802.25 : x
  2. Step 2: Convert to fraction form
    12,107.44/16,708.21 = 6,802.25/x
  3. Step 3: Cross multiply
    12,107.44x = 16,708.21 × 6,802.25
  4. Step 4: Simplify right side
    12,107.44x = 113,653,320.93
  5. Step 5: Solve for x
    x = 113,653,320.93/12,107.44
  6. Step 6: Final answer
    x = 9,387.06

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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.