Home / 10,645.58-15,960.57-3,623.71

Finding the Fourth Proportional to 10,645.58, 15,960.57 and 3,623.71

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Solution

The fourth proportional to 10,645.58, 15,960.57 and 3,623.71 is: 5,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.58 : 15,960.57 = 3,623.71 : x
  2. Step 2: Convert to fraction form
    10,645.58/15,960.57 = 3,623.71/x
  3. Step 3: Cross multiply
    10,645.58x = 15,960.57 × 3,623.71
  4. Step 4: Simplify right side
    10,645.58x = 57,836,477.11
  5. Step 5: Solve for x
    x = 57,836,477.11/10,645.58
  6. Step 6: Final answer
    x = 5,432.91

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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.