Home / 11,620.84-17,421.46-5,042.08

Finding the Fourth Proportional to 11,620.84, 17,421.46 and 5,042.08

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Solution

The fourth proportional to 11,620.84, 17,421.46 and 5,042.08 is: 7,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.84 : 17,421.46 = 5,042.08 : x
  2. Step 2: Convert to fraction form
    11,620.84/17,421.46 = 5,042.08/x
  3. Step 3: Cross multiply
    11,620.84x = 17,421.46 × 5,042.08
  4. Step 4: Simplify right side
    11,620.84x = 87,840,395.04
  5. Step 5: Solve for x
    x = 87,840,395.04/11,620.84
  6. Step 6: Final answer
    x = 7,558.87

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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.