Home / 7,393.12-11,068.36-6,874.12

Finding the Fourth Proportional to 7,393.12, 11,068.36 and 6,874.12

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Solution

The fourth proportional to 7,393.12, 11,068.36 and 6,874.12 is: 10,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.12 : 11,068.36 = 6,874.12 : x
  2. Step 2: Convert to fraction form
    7,393.12/11,068.36 = 6,874.12/x
  3. Step 3: Cross multiply
    7,393.12x = 11,068.36 × 6,874.12
  4. Step 4: Simplify right side
    7,393.12x = 76,085,234.84
  5. Step 5: Solve for x
    x = 76,085,234.84/7,393.12
  6. Step 6: Final answer
    x = 10,291.36

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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.