Home / 11,730.06-16,187.74-6,694.18

Finding the Fourth Proportional to 11,730.06, 16,187.74 and 6,694.18

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Solution

The fourth proportional to 11,730.06, 16,187.74 and 6,694.18 is: 9,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,730.06 : 16,187.74 = 6,694.18 : x
  2. Step 2: Convert to fraction form
    11,730.06/16,187.74 = 6,694.18/x
  3. Step 3: Cross multiply
    11,730.06x = 16,187.74 × 6,694.18
  4. Step 4: Simplify right side
    11,730.06x = 108,363,621.62
  5. Step 5: Solve for x
    x = 108,363,621.62/11,730.06
  6. Step 6: Final answer
    x = 9,238.12

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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.