Home / 7,486.16-11,231.26-6,670.04

Finding the Fourth Proportional to 7,486.16, 11,231.26 and 6,670.04

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Solution

The fourth proportional to 7,486.16, 11,231.26 and 6,670.04 is: 10,006.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.16 : 11,231.26 = 6,670.04 : x
  2. Step 2: Convert to fraction form
    7,486.16/11,231.26 = 6,670.04/x
  3. Step 3: Cross multiply
    7,486.16x = 11,231.26 × 6,670.04
  4. Step 4: Simplify right side
    7,486.16x = 74,912,953.45
  5. Step 5: Solve for x
    x = 74,912,953.45/7,486.16
  6. Step 6: Final answer
    x = 10,006.86

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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.