Home / 8,447.10-11,657.33-5,609.58

Finding the Fourth Proportional to 8,447.10, 11,657.33 and 5,609.58

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Solution

The fourth proportional to 8,447.10, 11,657.33 and 5,609.58 is: 7,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.10 : 11,657.33 = 5,609.58 : x
  2. Step 2: Convert to fraction form
    8,447.10/11,657.33 = 5,609.58/x
  3. Step 3: Cross multiply
    8,447.10x = 11,657.33 × 5,609.58
  4. Step 4: Simplify right side
    8,447.10x = 65,392,739.25
  5. Step 5: Solve for x
    x = 65,392,739.25/8,447.10
  6. Step 6: Final answer
    x = 7,741.44

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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.