Home / 10,447.51-15,677.74-9,371.83

Finding the Fourth Proportional to 10,447.51, 15,677.74 and 9,371.83

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Solution

The fourth proportional to 10,447.51, 15,677.74 and 9,371.83 is: 14,063.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.51 : 15,677.74 = 9,371.83 : x
  2. Step 2: Convert to fraction form
    10,447.51/15,677.74 = 9,371.83/x
  3. Step 3: Cross multiply
    10,447.51x = 15,677.74 × 9,371.83
  4. Step 4: Simplify right side
    10,447.51x = 146,929,012.25
  5. Step 5: Solve for x
    x = 146,929,012.25/10,447.51
  6. Step 6: Final answer
    x = 14,063.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.