Home / 9,211.56-12,712.26-5,019.96

Finding the Fourth Proportional to 9,211.56, 12,712.26 and 5,019.96

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Solution

The fourth proportional to 9,211.56, 12,712.26 and 5,019.96 is: 6,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.56 : 12,712.26 = 5,019.96 : x
  2. Step 2: Convert to fraction form
    9,211.56/12,712.26 = 5,019.96/x
  3. Step 3: Cross multiply
    9,211.56x = 12,712.26 × 5,019.96
  4. Step 4: Simplify right side
    9,211.56x = 63,815,036.71
  5. Step 5: Solve for x
    x = 63,815,036.71/9,211.56
  6. Step 6: Final answer
    x = 6,927.71

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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.