Home / 7,998.35-11,037.06-4,640.09

Finding the Fourth Proportional to 7,998.35, 11,037.06 and 4,640.09

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Solution

The fourth proportional to 7,998.35, 11,037.06 and 4,640.09 is: 6,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.35 : 11,037.06 = 4,640.09 : x
  2. Step 2: Convert to fraction form
    7,998.35/11,037.06 = 4,640.09/x
  3. Step 3: Cross multiply
    7,998.35x = 11,037.06 × 4,640.09
  4. Step 4: Simplify right side
    7,998.35x = 51,212,896.55
  5. Step 5: Solve for x
    x = 51,212,896.55/7,998.35
  6. Step 6: Final answer
    x = 6,402.94

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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.