Home / 11,707.44-16,156.55-6,402.66

Finding the Fourth Proportional to 11,707.44, 16,156.55 and 6,402.66

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Solution

The fourth proportional to 11,707.44, 16,156.55 and 6,402.66 is: 8,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.44 : 16,156.55 = 6,402.66 : x
  2. Step 2: Convert to fraction form
    11,707.44/16,156.55 = 6,402.66/x
  3. Step 3: Cross multiply
    11,707.44x = 16,156.55 × 6,402.66
  4. Step 4: Simplify right side
    11,707.44x = 103,444,896.42
  5. Step 5: Solve for x
    x = 103,444,896.42/11,707.44
  6. Step 6: Final answer
    x = 8,835.83

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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.