Home / 7,270.35-10,893.16-3,315.12

Finding the Fourth Proportional to 7,270.35, 10,893.16 and 3,315.12

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Solution

The fourth proportional to 7,270.35, 10,893.16 and 3,315.12 is: 4,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,270.35 : 10,893.16 = 3,315.12 : x
  2. Step 2: Convert to fraction form
    7,270.35/10,893.16 = 3,315.12/x
  3. Step 3: Cross multiply
    7,270.35x = 10,893.16 × 3,315.12
  4. Step 4: Simplify right side
    7,270.35x = 36,112,132.58
  5. Step 5: Solve for x
    x = 36,112,132.58/7,270.35
  6. Step 6: Final answer
    x = 4,967.04

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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.