Home / 11,141.51-15,374.90-6,105.61

Finding the Fourth Proportional to 11,141.51, 15,374.90 and 6,105.61

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Solution

The fourth proportional to 11,141.51, 15,374.90 and 6,105.61 is: 8,425.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.51 : 15,374.90 = 6,105.61 : x
  2. Step 2: Convert to fraction form
    11,141.51/15,374.90 = 6,105.61/x
  3. Step 3: Cross multiply
    11,141.51x = 15,374.90 × 6,105.61
  4. Step 4: Simplify right side
    11,141.51x = 93,873,035.79
  5. Step 5: Solve for x
    x = 93,873,035.79/11,141.51
  6. Step 6: Final answer
    x = 8,425.52

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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.