Home / 12,179.13-18,252.72-6,251.01

Finding the Fourth Proportional to 12,179.13, 18,252.72 and 6,251.01

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Solution

The fourth proportional to 12,179.13, 18,252.72 and 6,251.01 is: 9,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179.13 : 18,252.72 = 6,251.01 : x
  2. Step 2: Convert to fraction form
    12,179.13/18,252.72 = 6,251.01/x
  3. Step 3: Cross multiply
    12,179.13x = 18,252.72 × 6,251.01
  4. Step 4: Simplify right side
    12,179.13x = 114,097,935.25
  5. Step 5: Solve for x
    x = 114,097,935.25/12,179.13
  6. Step 6: Final answer
    x = 9,368.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.