Home / 12,148.08-16,764.69-6,843.39

Finding the Fourth Proportional to 12,148.08, 16,764.69 and 6,843.39

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Solution

The fourth proportional to 12,148.08, 16,764.69 and 6,843.39 is: 9,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.08 : 16,764.69 = 6,843.39 : x
  2. Step 2: Convert to fraction form
    12,148.08/16,764.69 = 6,843.39/x
  3. Step 3: Cross multiply
    12,148.08x = 16,764.69 × 6,843.39
  4. Step 4: Simplify right side
    12,148.08x = 114,727,311.90
  5. Step 5: Solve for x
    x = 114,727,311.90/12,148.08
  6. Step 6: Final answer
    x = 9,444.07

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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.