Home / 12,110.72-18,157.44-4,708.96

Finding the Fourth Proportional to 12,110.72, 18,157.44 and 4,708.96

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Solution

The fourth proportional to 12,110.72, 18,157.44 and 4,708.96 is: 7,060.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.72 : 18,157.44 = 4,708.96 : x
  2. Step 2: Convert to fraction form
    12,110.72/18,157.44 = 4,708.96/x
  3. Step 3: Cross multiply
    12,110.72x = 18,157.44 × 4,708.96
  4. Step 4: Simplify right side
    12,110.72x = 85,502,658.66
  5. Step 5: Solve for x
    x = 85,502,658.66/12,110.72
  6. Step 6: Final answer
    x = 7,060.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.