Home / 10,384.14-15,566.94-3,808.80

Finding the Fourth Proportional to 10,384.14, 15,566.94 and 3,808.80

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Solution

The fourth proportional to 10,384.14, 15,566.94 and 3,808.80 is: 5,709.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.14 : 15,566.94 = 3,808.80 : x
  2. Step 2: Convert to fraction form
    10,384.14/15,566.94 = 3,808.80/x
  3. Step 3: Cross multiply
    10,384.14x = 15,566.94 × 3,808.80
  4. Step 4: Simplify right side
    10,384.14x = 59,291,361.07
  5. Step 5: Solve for x
    x = 59,291,361.07/10,384.14
  6. Step 6: Final answer
    x = 5,709.80

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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.