Home / 7,511.14-11,265.78-1,964.44

Finding the Fourth Proportional to 7,511.14, 11,265.78 and 1,964.44

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Solution

The fourth proportional to 7,511.14, 11,265.78 and 1,964.44 is: 2,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.14 : 11,265.78 = 1,964.44 : x
  2. Step 2: Convert to fraction form
    7,511.14/11,265.78 = 1,964.44/x
  3. Step 3: Cross multiply
    7,511.14x = 11,265.78 × 1,964.44
  4. Step 4: Simplify right side
    7,511.14x = 22,130,948.86
  5. Step 5: Solve for x
    x = 22,130,948.86/7,511.14
  6. Step 6: Final answer
    x = 2,946.42

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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.