Home / 10,561.60-15,844.56-3,636.64

Finding the Fourth Proportional to 10,561.60, 15,844.56 and 3,636.64

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Solution

The fourth proportional to 10,561.60, 15,844.56 and 3,636.64 is: 5,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.60 : 15,844.56 = 3,636.64 : x
  2. Step 2: Convert to fraction form
    10,561.60/15,844.56 = 3,636.64/x
  3. Step 3: Cross multiply
    10,561.60x = 15,844.56 × 3,636.64
  4. Step 4: Simplify right side
    10,561.60x = 57,620,960.68
  5. Step 5: Solve for x
    x = 57,620,960.68/10,561.60
  6. Step 6: Final answer
    x = 5,455.70

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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.