Home / 11,937.78-16,474.19-6,632.82

Finding the Fourth Proportional to 11,937.78, 16,474.19 and 6,632.82

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Solution

The fourth proportional to 11,937.78, 16,474.19 and 6,632.82 is: 9,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.78 : 16,474.19 = 6,632.82 : x
  2. Step 2: Convert to fraction form
    11,937.78/16,474.19 = 6,632.82/x
  3. Step 3: Cross multiply
    11,937.78x = 16,474.19 × 6,632.82
  4. Step 4: Simplify right side
    11,937.78x = 109,270,303.75
  5. Step 5: Solve for x
    x = 109,270,303.75/11,937.78
  6. Step 6: Final answer
    x = 9,153.32

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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.