Home / 12,317.94-16,998.81-6,729.06

Finding the Fourth Proportional to 12,317.94, 16,998.81 and 6,729.06

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Solution

The fourth proportional to 12,317.94, 16,998.81 and 6,729.06 is: 9,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317.94 : 16,998.81 = 6,729.06 : x
  2. Step 2: Convert to fraction form
    12,317.94/16,998.81 = 6,729.06/x
  3. Step 3: Cross multiply
    12,317.94x = 16,998.81 × 6,729.06
  4. Step 4: Simplify right side
    12,317.94x = 114,386,012.42
  5. Step 5: Solve for x
    x = 114,386,012.42/12,317.94
  6. Step 6: Final answer
    x = 9,286.13

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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.