Home / 10,085.90-13,917.78-5,836.96

Finding the Fourth Proportional to 10,085.90, 13,917.78 and 5,836.96

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Solution

The fourth proportional to 10,085.90, 13,917.78 and 5,836.96 is: 8,054.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.90 : 13,917.78 = 5,836.96 : x
  2. Step 2: Convert to fraction form
    10,085.90/13,917.78 = 5,836.96/x
  3. Step 3: Cross multiply
    10,085.90x = 13,917.78 × 5,836.96
  4. Step 4: Simplify right side
    10,085.90x = 81,237,525.15
  5. Step 5: Solve for x
    x = 81,237,525.15/10,085.90
  6. Step 6: Final answer
    x = 8,054.56

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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.