Home / 7,899.16-11,845.67-2,633.15

Finding the Fourth Proportional to 7,899.16, 11,845.67 and 2,633.15

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Solution

The fourth proportional to 7,899.16, 11,845.67 and 2,633.15 is: 3,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.16 : 11,845.67 = 2,633.15 : x
  2. Step 2: Convert to fraction form
    7,899.16/11,845.67 = 2,633.15/x
  3. Step 3: Cross multiply
    7,899.16x = 11,845.67 × 2,633.15
  4. Step 4: Simplify right side
    7,899.16x = 31,191,425.96
  5. Step 5: Solve for x
    x = 31,191,425.96/7,899.16
  6. Step 6: Final answer
    x = 3,948.70

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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.