Home / 11,938.81-16,476.07-6,633.62

Finding the Fourth Proportional to 11,938.81, 16,476.07 and 6,633.62

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Solution

The fourth proportional to 11,938.81, 16,476.07 and 6,633.62 is: 9,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.81 : 16,476.07 = 6,633.62 : x
  2. Step 2: Convert to fraction form
    11,938.81/16,476.07 = 6,633.62/x
  3. Step 3: Cross multiply
    11,938.81x = 16,476.07 × 6,633.62
  4. Step 4: Simplify right side
    11,938.81x = 109,295,987.47
  5. Step 5: Solve for x
    x = 109,295,987.47/11,938.81
  6. Step 6: Final answer
    x = 9,154.68

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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.