Home / 10,975.68-15,146.45-5,939.91

Finding the Fourth Proportional to 10,975.68, 15,146.45 and 5,939.91

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Solution

The fourth proportional to 10,975.68, 15,146.45 and 5,939.91 is: 8,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.68 : 15,146.45 = 5,939.91 : x
  2. Step 2: Convert to fraction form
    10,975.68/15,146.45 = 5,939.91/x
  3. Step 3: Cross multiply
    10,975.68x = 15,146.45 × 5,939.91
  4. Step 4: Simplify right side
    10,975.68x = 89,968,564.67
  5. Step 5: Solve for x
    x = 89,968,564.67/10,975.68
  6. Step 6: Final answer
    x = 8,197.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.