Home / 10,621.14-15,934.62-3,225.84

Finding the Fourth Proportional to 10,621.14, 15,934.62 and 3,225.84

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Solution

The fourth proportional to 10,621.14, 15,934.62 and 3,225.84 is: 4,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.14 : 15,934.62 = 3,225.84 : x
  2. Step 2: Convert to fraction form
    10,621.14/15,934.62 = 3,225.84/x
  3. Step 3: Cross multiply
    10,621.14x = 15,934.62 × 3,225.84
  4. Step 4: Simplify right side
    10,621.14x = 51,402,534.58
  5. Step 5: Solve for x
    x = 51,402,534.58/10,621.14
  6. Step 6: Final answer
    x = 4,839.64

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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.