Home / 8,505.13-11,739.98-5,277.41

Finding the Fourth Proportional to 8,505.13, 11,739.98 and 5,277.41

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Solution

The fourth proportional to 8,505.13, 11,739.98 and 5,277.41 is: 7,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.13 : 11,739.98 = 5,277.41 : x
  2. Step 2: Convert to fraction form
    8,505.13/11,739.98 = 5,277.41/x
  3. Step 3: Cross multiply
    8,505.13x = 11,739.98 × 5,277.41
  4. Step 4: Simplify right side
    8,505.13x = 61,956,687.85
  5. Step 5: Solve for x
    x = 61,956,687.85/8,505.13
  6. Step 6: Final answer
    x = 7,284.63

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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.