Home / 12,356.27-17,051.68-6,691.08

Finding the Fourth Proportional to 12,356.27, 17,051.68 and 6,691.08

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Solution

The fourth proportional to 12,356.27, 17,051.68 and 6,691.08 is: 9,233.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.27 : 17,051.68 = 6,691.08 : x
  2. Step 2: Convert to fraction form
    12,356.27/17,051.68 = 6,691.08/x
  3. Step 3: Cross multiply
    12,356.27x = 17,051.68 × 6,691.08
  4. Step 4: Simplify right side
    12,356.27x = 114,094,155.01
  5. Step 5: Solve for x
    x = 114,094,155.01/12,356.27
  6. Step 6: Final answer
    x = 9,233.71

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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.