Home / 11,419.68-17,126.55-4,842.48

Finding the Fourth Proportional to 11,419.68, 17,126.55 and 4,842.48

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Solution

The fourth proportional to 11,419.68, 17,126.55 and 4,842.48 is: 7,262.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.68 : 17,126.55 = 4,842.48 : x
  2. Step 2: Convert to fraction form
    11,419.68/17,126.55 = 4,842.48/x
  3. Step 3: Cross multiply
    11,419.68x = 17,126.55 × 4,842.48
  4. Step 4: Simplify right side
    11,419.68x = 82,934,975.84
  5. Step 5: Solve for x
    x = 82,934,975.84/11,419.68
  6. Step 6: Final answer
    x = 7,262.46

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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.