Home / 10,615.84-15,924.09-2,718.41

Finding the Fourth Proportional to 10,615.84, 15,924.09 and 2,718.41

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Solution

The fourth proportional to 10,615.84, 15,924.09 and 2,718.41 is: 4,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.84 : 15,924.09 = 2,718.41 : x
  2. Step 2: Convert to fraction form
    10,615.84/15,924.09 = 2,718.41/x
  3. Step 3: Cross multiply
    10,615.84x = 15,924.09 × 2,718.41
  4. Step 4: Simplify right side
    10,615.84x = 43,288,136.07
  5. Step 5: Solve for x
    x = 43,288,136.07/10,615.84
  6. Step 6: Final answer
    x = 4,077.69

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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.