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Finding the Fourth Proportional to 9,846.67, 13,580.72 and 6,310.21

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Solution

The fourth proportional to 9,846.67, 13,580.72 and 6,310.21 is: 8,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,846.67 : 13,580.72 = 6,310.21 : x
  2. Step 2: Convert to fraction form
    9,846.67/13,580.72 = 6,310.21/x
  3. Step 3: Cross multiply
    9,846.67x = 13,580.72 × 6,310.21
  4. Step 4: Simplify right side
    9,846.67x = 85,697,195.15
  5. Step 5: Solve for x
    x = 85,697,195.15/9,846.67
  6. Step 6: Final answer
    x = 8,703.17

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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.