Home / 11,615.76-17,425.73-4,230.59

Finding the Fourth Proportional to 11,615.76, 17,425.73 and 4,230.59

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Solution

The fourth proportional to 11,615.76, 17,425.73 and 4,230.59 is: 6,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.76 : 17,425.73 = 4,230.59 : x
  2. Step 2: Convert to fraction form
    11,615.76/17,425.73 = 4,230.59/x
  3. Step 3: Cross multiply
    11,615.76x = 17,425.73 × 4,230.59
  4. Step 4: Simplify right side
    11,615.76x = 73,721,119.08
  5. Step 5: Solve for x
    x = 73,721,119.08/11,615.76
  6. Step 6: Final answer
    x = 6,346.65

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1.5x scale

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.