Home / 12,148.29-16,761.69-6,843.10

Finding the Fourth Proportional to 12,148.29, 16,761.69 and 6,843.10

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Solution

The fourth proportional to 12,148.29, 16,761.69 and 6,843.10 is: 9,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.29 : 16,761.69 = 6,843.10 : x
  2. Step 2: Convert to fraction form
    12,148.29/16,761.69 = 6,843.10/x
  3. Step 3: Cross multiply
    12,148.29x = 16,761.69 × 6,843.10
  4. Step 4: Simplify right side
    12,148.29x = 114,701,920.84
  5. Step 5: Solve for x
    x = 114,701,920.84/12,148.29
  6. Step 6: Final answer
    x = 9,441.82

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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.