Home / 8,356.38-11,531.80-4,999.33

Finding the Fourth Proportional to 8,356.38, 11,531.80 and 4,999.33

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Solution

The fourth proportional to 8,356.38, 11,531.80 and 4,999.33 is: 6,899.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.38 : 11,531.80 = 4,999.33 : x
  2. Step 2: Convert to fraction form
    8,356.38/11,531.80 = 4,999.33/x
  3. Step 3: Cross multiply
    8,356.38x = 11,531.80 × 4,999.33
  4. Step 4: Simplify right side
    8,356.38x = 57,651,273.69
  5. Step 5: Solve for x
    x = 57,651,273.69/8,356.38
  6. Step 6: Final answer
    x = 6,899.07

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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.