Home / 8,199.96-12,301.72-2,356.12

Finding the Fourth Proportional to 8,199.96, 12,301.72 and 2,356.12

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Solution

The fourth proportional to 8,199.96, 12,301.72 and 2,356.12 is: 3,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.96 : 12,301.72 = 2,356.12 : x
  2. Step 2: Convert to fraction form
    8,199.96/12,301.72 = 2,356.12/x
  3. Step 3: Cross multiply
    8,199.96x = 12,301.72 × 2,356.12
  4. Step 4: Simplify right side
    8,199.96x = 28,984,328.53
  5. Step 5: Solve for x
    x = 28,984,328.53/8,199.96
  6. Step 6: Final answer
    x = 3,534.69

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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.