Home / 12,113.29-16,716.27-6,808.06

Finding the Fourth Proportional to 12,113.29, 16,716.27 and 6,808.06

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Solution

The fourth proportional to 12,113.29, 16,716.27 and 6,808.06 is: 9,395.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.29 : 16,716.27 = 6,808.06 : x
  2. Step 2: Convert to fraction form
    12,113.29/16,716.27 = 6,808.06/x
  3. Step 3: Cross multiply
    12,113.29x = 16,716.27 × 6,808.06
  4. Step 4: Simplify right side
    12,113.29x = 113,805,369.14
  5. Step 5: Solve for x
    x = 113,805,369.14/12,113.29
  6. Step 6: Final answer
    x = 9,395.08

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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.