Home / 8,505.06-11,736.37-5,319.79

Finding the Fourth Proportional to 8,505.06, 11,736.37 and 5,319.79

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Solution

The fourth proportional to 8,505.06, 11,736.37 and 5,319.79 is: 7,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.06 : 11,736.37 = 5,319.79 : x
  2. Step 2: Convert to fraction form
    8,505.06/11,736.37 = 5,319.79/x
  3. Step 3: Cross multiply
    8,505.06x = 11,736.37 × 5,319.79
  4. Step 4: Simplify right side
    8,505.06x = 62,435,023.76
  5. Step 5: Solve for x
    x = 62,435,023.76/8,505.06
  6. Step 6: Final answer
    x = 7,340.93

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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.