Home / 8,356.10-11,532.58-5,213.30

Finding the Fourth Proportional to 8,356.10, 11,532.58 and 5,213.30

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Solution

The fourth proportional to 8,356.10, 11,532.58 and 5,213.30 is: 7,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.10 : 11,532.58 = 5,213.30 : x
  2. Step 2: Convert to fraction form
    8,356.10/11,532.58 = 5,213.30/x
  3. Step 3: Cross multiply
    8,356.10x = 11,532.58 × 5,213.30
  4. Step 4: Simplify right side
    8,356.10x = 60,122,728.62
  5. Step 5: Solve for x
    x = 60,122,728.62/8,356.10
  6. Step 6: Final answer
    x = 7,195.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.