Home / 10,913.69-15,059.68-6,132.53

Finding the Fourth Proportional to 10,913.69, 15,059.68 and 6,132.53

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Solution

The fourth proportional to 10,913.69, 15,059.68 and 6,132.53 is: 8,462.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.69 : 15,059.68 = 6,132.53 : x
  2. Step 2: Convert to fraction form
    10,913.69/15,059.68 = 6,132.53/x
  3. Step 3: Cross multiply
    10,913.69x = 15,059.68 × 6,132.53
  4. Step 4: Simplify right side
    10,913.69x = 92,353,939.39
  5. Step 5: Solve for x
    x = 92,353,939.39/10,913.69
  6. Step 6: Final answer
    x = 8,462.21

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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.