Home / 12,131.27-16,741.08-6,826.13

Finding the Fourth Proportional to 12,131.27, 16,741.08 and 6,826.13

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Solution

The fourth proportional to 12,131.27, 16,741.08 and 6,826.13 is: 9,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131.27 : 16,741.08 = 6,826.13 : x
  2. Step 2: Convert to fraction form
    12,131.27/16,741.08 = 6,826.13/x
  3. Step 3: Cross multiply
    12,131.27x = 16,741.08 × 6,826.13
  4. Step 4: Simplify right side
    12,131.27x = 114,276,788.42
  5. Step 5: Solve for x
    x = 114,276,788.42/12,131.27
  6. Step 6: Final answer
    x = 9,420.02

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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.