Home / 7,998.16-11,986.77-4,296.06

Finding the Fourth Proportional to 7,998.16, 11,986.77 and 4,296.06

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Solution

The fourth proportional to 7,998.16, 11,986.77 and 4,296.06 is: 6,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.16 : 11,986.77 = 4,296.06 : x
  2. Step 2: Convert to fraction form
    7,998.16/11,986.77 = 4,296.06/x
  3. Step 3: Cross multiply
    7,998.16x = 11,986.77 × 4,296.06
  4. Step 4: Simplify right side
    7,998.16x = 51,495,883.13
  5. Step 5: Solve for x
    x = 51,495,883.13/7,998.16
  6. Step 6: Final answer
    x = 6,438.47

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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.