Home / 11,372.34-15,695.19-6,656.64

Finding the Fourth Proportional to 11,372.34, 15,695.19 and 6,656.64

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Solution

The fourth proportional to 11,372.34, 15,695.19 and 6,656.64 is: 9,186.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,372.34 : 15,695.19 = 6,656.64 : x
  2. Step 2: Convert to fraction form
    11,372.34/15,695.19 = 6,656.64/x
  3. Step 3: Cross multiply
    11,372.34x = 15,695.19 × 6,656.64
  4. Step 4: Simplify right side
    11,372.34x = 104,477,229.56
  5. Step 5: Solve for x
    x = 104,477,229.56/11,372.34
  6. Step 6: Final answer
    x = 9,186.96

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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.