Home / 11,938.15-16,474.80-6,632.97

Finding the Fourth Proportional to 11,938.15, 16,474.80 and 6,632.97

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Solution

The fourth proportional to 11,938.15, 16,474.80 and 6,632.97 is: 9,153.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.15 : 16,474.80 = 6,632.97 : x
  2. Step 2: Convert to fraction form
    11,938.15/16,474.80 = 6,632.97/x
  3. Step 3: Cross multiply
    11,938.15x = 16,474.80 × 6,632.97
  4. Step 4: Simplify right side
    11,938.15x = 109,276,854.16
  5. Step 5: Solve for x
    x = 109,276,854.16/11,938.15
  6. Step 6: Final answer
    x = 9,153.58

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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.