Home / 9,310.09-12,847.87-5,276.90

Finding the Fourth Proportional to 9,310.09, 12,847.87 and 5,276.90

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Solution

The fourth proportional to 9,310.09, 12,847.87 and 5,276.90 is: 7,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.09 : 12,847.87 = 5,276.90 : x
  2. Step 2: Convert to fraction form
    9,310.09/12,847.87 = 5,276.90/x
  3. Step 3: Cross multiply
    9,310.09x = 12,847.87 × 5,276.90
  4. Step 4: Simplify right side
    9,310.09x = 67,796,861.97
  5. Step 5: Solve for x
    x = 67,796,861.97/9,310.09
  6. Step 6: Final answer
    x = 7,282.08

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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.