Home / 11,268.96-15,534.66-7,901.61

Finding the Fourth Proportional to 11,268.96, 15,534.66 and 7,901.61

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Solution

The fourth proportional to 11,268.96, 15,534.66 and 7,901.61 is: 10,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.96 : 15,534.66 = 7,901.61 : x
  2. Step 2: Convert to fraction form
    11,268.96/15,534.66 = 7,901.61/x
  3. Step 3: Cross multiply
    11,268.96x = 15,534.66 × 7,901.61
  4. Step 4: Simplify right side
    11,268.96x = 122,748,824.80
  5. Step 5: Solve for x
    x = 122,748,824.80/11,268.96
  6. Step 6: Final answer
    x = 10,892.65

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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.