Home / 11,938.96-16,476.18-6,634

Finding the Fourth Proportional to 11,938.96, 16,476.18 and 6,634

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Solution

The fourth proportional to 11,938.96, 16,476.18 and 6,634 is: 9,155.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,938.96 : 16,476.18 = 6,634 : x
  2. Step 2: Convert to fraction form
    11,938.96/16,476.18 = 6,634/x
  3. Step 3: Cross multiply
    11,938.96x = 16,476.18 × 6,634
  4. Step 4: Simplify right side
    11,938.96x = 109,302,978.12
  5. Step 5: Solve for x
    x = 109,302,978.12/11,938.96
  6. Step 6: Final answer
    x = 9,155.15

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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.