Home / 9,396.79-12,961.87-6,210.12

Finding the Fourth Proportional to 9,396.79, 12,961.87 and 6,210.12

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Solution

The fourth proportional to 9,396.79, 12,961.87 and 6,210.12 is: 8,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.79 : 12,961.87 = 6,210.12 : x
  2. Step 2: Convert to fraction form
    9,396.79/12,961.87 = 6,210.12/x
  3. Step 3: Cross multiply
    9,396.79x = 12,961.87 × 6,210.12
  4. Step 4: Simplify right side
    9,396.79x = 80,494,768.12
  5. Step 5: Solve for x
    x = 80,494,768.12/9,396.79
  6. Step 6: Final answer
    x = 8,566.20

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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.