Home / 11,590.56-15,997.50-7,116.66

Finding the Fourth Proportional to 11,590.56, 15,997.50 and 7,116.66

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Solution

The fourth proportional to 11,590.56, 15,997.50 and 7,116.66 is: 9,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.56 : 15,997.50 = 7,116.66 : x
  2. Step 2: Convert to fraction form
    11,590.56/15,997.50 = 7,116.66/x
  3. Step 3: Cross multiply
    11,590.56x = 15,997.50 × 7,116.66
  4. Step 4: Simplify right side
    11,590.56x = 113,848,768.35
  5. Step 5: Solve for x
    x = 113,848,768.35/11,590.56
  6. Step 6: Final answer
    x = 9,822.54

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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.