Home / 12,107.41-16,708.52-6,802.09

Finding the Fourth Proportional to 12,107.41, 16,708.52 and 6,802.09

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Solution

The fourth proportional to 12,107.41, 16,708.52 and 6,802.09 is: 9,387.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,107.41 : 16,708.52 = 6,802.09 : x
  2. Step 2: Convert to fraction form
    12,107.41/16,708.52 = 6,802.09/x
  3. Step 3: Cross multiply
    12,107.41x = 16,708.52 × 6,802.09
  4. Step 4: Simplify right side
    12,107.41x = 113,652,856.81
  5. Step 5: Solve for x
    x = 113,652,856.81/12,107.41
  6. Step 6: Final answer
    x = 9,387.05

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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.