Home / 6,213.35-9,320.10-3,445.43

Finding the Fourth Proportional to 6,213.35, 9,320.10 and 3,445.43

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Solution

The fourth proportional to 6,213.35, 9,320.10 and 3,445.43 is: 5,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.35 : 9,320.10 = 3,445.43 : x
  2. Step 2: Convert to fraction form
    6,213.35/9,320.10 = 3,445.43/x
  3. Step 3: Cross multiply
    6,213.35x = 9,320.10 × 3,445.43
  4. Step 4: Simplify right side
    6,213.35x = 32,111,752.14
  5. Step 5: Solve for x
    x = 32,111,752.14/6,213.35
  6. Step 6: Final answer
    x = 5,168.19

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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.