Home / 11,640.12-16,066.80-6,927.54

Finding the Fourth Proportional to 11,640.12, 16,066.80 and 6,927.54

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Solution

The fourth proportional to 11,640.12, 16,066.80 and 6,927.54 is: 9,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.12 : 16,066.80 = 6,927.54 : x
  2. Step 2: Convert to fraction form
    11,640.12/16,066.80 = 6,927.54/x
  3. Step 3: Cross multiply
    11,640.12x = 16,066.80 × 6,927.54
  4. Step 4: Simplify right side
    11,640.12x = 111,303,399.67
  5. Step 5: Solve for x
    x = 111,303,399.67/11,640.12
  6. Step 6: Final answer
    x = 9,562.05

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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.