Home / 12,081.22-16,673.65-6,777.74

Finding the Fourth Proportional to 12,081.22, 16,673.65 and 6,777.74

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Solution

The fourth proportional to 12,081.22, 16,673.65 and 6,777.74 is: 9,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.22 : 16,673.65 = 6,777.74 : x
  2. Step 2: Convert to fraction form
    12,081.22/16,673.65 = 6,777.74/x
  3. Step 3: Cross multiply
    12,081.22x = 16,673.65 × 6,777.74
  4. Step 4: Simplify right side
    12,081.22x = 113,009,689.29
  5. Step 5: Solve for x
    x = 113,009,689.29/12,081.22
  6. Step 6: Final answer
    x = 9,354.16

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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.