Home / 10,447.84-15,674.46-3,875.91

Finding the Fourth Proportional to 10,447.84, 15,674.46 and 3,875.91

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Solution

The fourth proportional to 10,447.84, 15,674.46 and 3,875.91 is: 5,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447.84 : 15,674.46 = 3,875.91 : x
  2. Step 2: Convert to fraction form
    10,447.84/15,674.46 = 3,875.91/x
  3. Step 3: Cross multiply
    10,447.84x = 15,674.46 × 3,875.91
  4. Step 4: Simplify right side
    10,447.84x = 60,752,796.26
  5. Step 5: Solve for x
    x = 60,752,796.26/10,447.84
  6. Step 6: Final answer
    x = 5,814.87

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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.