Home / 7,386.69-11,081.88-2,192.58

Finding the Fourth Proportional to 7,386.69, 11,081.88 and 2,192.58

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Solution

The fourth proportional to 7,386.69, 11,081.88 and 2,192.58 is: 3,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.69 : 11,081.88 = 2,192.58 : x
  2. Step 2: Convert to fraction form
    7,386.69/11,081.88 = 2,192.58/x
  3. Step 3: Cross multiply
    7,386.69x = 11,081.88 × 2,192.58
  4. Step 4: Simplify right side
    7,386.69x = 24,297,908.45
  5. Step 5: Solve for x
    x = 24,297,908.45/7,386.69
  6. Step 6: Final answer
    x = 3,289.42

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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.