Home / 8,051.67-11,111.31-4,515.48

Finding the Fourth Proportional to 8,051.67, 11,111.31 and 4,515.48

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Solution

The fourth proportional to 8,051.67, 11,111.31 and 4,515.48 is: 6,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.67 : 11,111.31 = 4,515.48 : x
  2. Step 2: Convert to fraction form
    8,051.67/11,111.31 = 4,515.48/x
  3. Step 3: Cross multiply
    8,051.67x = 11,111.31 × 4,515.48
  4. Step 4: Simplify right side
    8,051.67x = 50,172,898.08
  5. Step 5: Solve for x
    x = 50,172,898.08/8,051.67
  6. Step 6: Final answer
    x = 6,231.37

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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.