Home / 11,609.55-16,015.19-7,353.45

Finding the Fourth Proportional to 11,609.55, 16,015.19 and 7,353.45

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Solution

The fourth proportional to 11,609.55, 16,015.19 and 7,353.45 is: 10,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,609.55 : 16,015.19 = 7,353.45 : x
  2. Step 2: Convert to fraction form
    11,609.55/16,015.19 = 7,353.45/x
  3. Step 3: Cross multiply
    11,609.55x = 16,015.19 × 7,353.45
  4. Step 4: Simplify right side
    11,609.55x = 117,766,862.14
  5. Step 5: Solve for x
    x = 117,766,862.14/11,609.55
  6. Step 6: Final answer
    x = 10,143.96

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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.