Home / 10,621.91-15,922.91-3,597.02

Finding the Fourth Proportional to 10,621.91, 15,922.91 and 3,597.02

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Solution

The fourth proportional to 10,621.91, 15,922.91 and 3,597.02 is: 5,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.91 : 15,922.91 = 3,597.02 : x
  2. Step 2: Convert to fraction form
    10,621.91/15,922.91 = 3,597.02/x
  3. Step 3: Cross multiply
    10,621.91x = 15,922.91 × 3,597.02
  4. Step 4: Simplify right side
    10,621.91x = 57,274,928.13
  5. Step 5: Solve for x
    x = 57,274,928.13/10,621.91
  6. Step 6: Final answer
    x = 5,392.15

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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.