Home / 10,155.39-15,232.41-3,491.25

Finding the Fourth Proportional to 10,155.39, 15,232.41 and 3,491.25

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Solution

The fourth proportional to 10,155.39, 15,232.41 and 3,491.25 is: 5,236.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.39 : 15,232.41 = 3,491.25 : x
  2. Step 2: Convert to fraction form
    10,155.39/15,232.41 = 3,491.25/x
  3. Step 3: Cross multiply
    10,155.39x = 15,232.41 × 3,491.25
  4. Step 4: Simplify right side
    10,155.39x = 53,180,151.41
  5. Step 5: Solve for x
    x = 53,180,151.41/10,155.39
  6. Step 6: Final answer
    x = 5,236.64

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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.