Home / 10,621.41-15,922.16-3,596.51

Finding the Fourth Proportional to 10,621.41, 15,922.16 and 3,596.51

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Solution

The fourth proportional to 10,621.41, 15,922.16 and 3,596.51 is: 5,391.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.41 : 15,922.16 = 3,596.51 : x
  2. Step 2: Convert to fraction form
    10,621.41/15,922.16 = 3,596.51/x
  3. Step 3: Cross multiply
    10,621.41x = 15,922.16 × 3,596.51
  4. Step 4: Simplify right side
    10,621.41x = 57,264,207.66
  5. Step 5: Solve for x
    x = 57,264,207.66/10,621.41
  6. Step 6: Final answer
    x = 5,391.39

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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.