Home / 12,178.08-16,806.23-6,873.08

Finding the Fourth Proportional to 12,178.08, 16,806.23 and 6,873.08

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Solution

The fourth proportional to 12,178.08, 16,806.23 and 6,873.08 is: 9,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.08 : 16,806.23 = 6,873.08 : x
  2. Step 2: Convert to fraction form
    12,178.08/16,806.23 = 6,873.08/x
  3. Step 3: Cross multiply
    12,178.08x = 16,806.23 × 6,873.08
  4. Step 4: Simplify right side
    12,178.08x = 115,510,528.92
  5. Step 5: Solve for x
    x = 115,510,528.92/12,178.08
  6. Step 6: Final answer
    x = 9,485.12

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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.