Home / 10,476.20-15,716.61-3,458.38

Finding the Fourth Proportional to 10,476.20, 15,716.61 and 3,458.38

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Solution

The fourth proportional to 10,476.20, 15,716.61 and 3,458.38 is: 5,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.20 : 15,716.61 = 3,458.38 : x
  2. Step 2: Convert to fraction form
    10,476.20/15,716.61 = 3,458.38/x
  3. Step 3: Cross multiply
    10,476.20x = 15,716.61 × 3,458.38
  4. Step 4: Simplify right side
    10,476.20x = 54,353,970.40
  5. Step 5: Solve for x
    x = 54,353,970.40/10,476.20
  6. Step 6: Final answer
    x = 5,188.33

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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.