Home / 11,278.33-15,562.75-6,241.89

Finding the Fourth Proportional to 11,278.33, 15,562.75 and 6,241.89

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Solution

The fourth proportional to 11,278.33, 15,562.75 and 6,241.89 is: 8,613.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.33 : 15,562.75 = 6,241.89 : x
  2. Step 2: Convert to fraction form
    11,278.33/15,562.75 = 6,241.89/x
  3. Step 3: Cross multiply
    11,278.33x = 15,562.75 × 6,241.89
  4. Step 4: Simplify right side
    11,278.33x = 97,140,973.60
  5. Step 5: Solve for x
    x = 97,140,973.60/11,278.33
  6. Step 6: Final answer
    x = 8,613.06

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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.