Home / 10,564.85-15,836.85-4,326.75

Finding the Fourth Proportional to 10,564.85, 15,836.85 and 4,326.75

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Solution

The fourth proportional to 10,564.85, 15,836.85 and 4,326.75 is: 6,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,564.85 : 15,836.85 = 4,326.75 : x
  2. Step 2: Convert to fraction form
    10,564.85/15,836.85 = 4,326.75/x
  3. Step 3: Cross multiply
    10,564.85x = 15,836.85 × 4,326.75
  4. Step 4: Simplify right side
    10,564.85x = 68,522,090.74
  5. Step 5: Solve for x
    x = 68,522,090.74/10,564.85
  6. Step 6: Final answer
    x = 6,485.85

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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.