Home / 11,141.27-15,374.40-6,667.47

Finding the Fourth Proportional to 11,141.27, 15,374.40 and 6,667.47

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Solution

The fourth proportional to 11,141.27, 15,374.40 and 6,667.47 is: 9,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.27 : 15,374.40 = 6,667.47 : x
  2. Step 2: Convert to fraction form
    11,141.27/15,374.40 = 6,667.47/x
  3. Step 3: Cross multiply
    11,141.27x = 15,374.40 × 6,667.47
  4. Step 4: Simplify right side
    11,141.27x = 102,508,350.77
  5. Step 5: Solve for x
    x = 102,508,350.77/11,141.27
  6. Step 6: Final answer
    x = 9,200.78

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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.