Home / 11,342.79-16,996.86-4,765.38

Finding the Fourth Proportional to 11,342.79, 16,996.86 and 4,765.38

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Solution

The fourth proportional to 11,342.79, 16,996.86 and 4,765.38 is: 7,140.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.79 : 16,996.86 = 4,765.38 : x
  2. Step 2: Convert to fraction form
    11,342.79/16,996.86 = 4,765.38/x
  3. Step 3: Cross multiply
    11,342.79x = 16,996.86 × 4,765.38
  4. Step 4: Simplify right side
    11,342.79x = 80,996,496.71
  5. Step 5: Solve for x
    x = 80,996,496.71/11,342.79
  6. Step 6: Final answer
    x = 7,140.79

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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.