Home / 8,536.83-11,779.88-5,180.46

Finding the Fourth Proportional to 8,536.83, 11,779.88 and 5,180.46

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Solution

The fourth proportional to 8,536.83, 11,779.88 and 5,180.46 is: 7,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.83 : 11,779.88 = 5,180.46 : x
  2. Step 2: Convert to fraction form
    8,536.83/11,779.88 = 5,180.46/x
  3. Step 3: Cross multiply
    8,536.83x = 11,779.88 × 5,180.46
  4. Step 4: Simplify right side
    8,536.83x = 61,025,171.24
  5. Step 5: Solve for x
    x = 61,025,171.24/8,536.83
  6. Step 6: Final answer
    x = 7,148.46

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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.