Home / 10,412.96-15,619.29-2,515.41

Finding the Fourth Proportional to 10,412.96, 15,619.29 and 2,515.41

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Solution

The fourth proportional to 10,412.96, 15,619.29 and 2,515.41 is: 3,773.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.96 : 15,619.29 = 2,515.41 : x
  2. Step 2: Convert to fraction form
    10,412.96/15,619.29 = 2,515.41/x
  3. Step 3: Cross multiply
    10,412.96x = 15,619.29 × 2,515.41
  4. Step 4: Simplify right side
    10,412.96x = 39,288,918.26
  5. Step 5: Solve for x
    x = 39,288,918.26/10,412.96
  6. Step 6: Final answer
    x = 3,773.08

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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.