Home / 12,114.66-16,717.32-6,808.44

Finding the Fourth Proportional to 12,114.66, 16,717.32 and 6,808.44

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Solution

The fourth proportional to 12,114.66, 16,717.32 and 6,808.44 is: 9,395.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.66 : 16,717.32 = 6,808.44 : x
  2. Step 2: Convert to fraction form
    12,114.66/16,717.32 = 6,808.44/x
  3. Step 3: Cross multiply
    12,114.66x = 16,717.32 × 6,808.44
  4. Step 4: Simplify right side
    12,114.66x = 113,818,870.18
  5. Step 5: Solve for x
    x = 113,818,870.18/12,114.66
  6. Step 6: Final answer
    x = 9,395.14

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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.