Home / 8,536.33-11,779.18-5,179.96

Finding the Fourth Proportional to 8,536.33, 11,779.18 and 5,179.96

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Solution

The fourth proportional to 8,536.33, 11,779.18 and 5,179.96 is: 7,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.33 : 11,779.18 = 5,179.96 : x
  2. Step 2: Convert to fraction form
    8,536.33/11,779.18 = 5,179.96/x
  3. Step 3: Cross multiply
    8,536.33x = 11,779.18 × 5,179.96
  4. Step 4: Simplify right side
    8,536.33x = 61,015,681.23
  5. Step 5: Solve for x
    x = 61,015,681.23/8,536.33
  6. Step 6: Final answer
    x = 7,147.77

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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.