Home / 9,231.29-13,856.16-4,857.96

Finding the Fourth Proportional to 9,231.29, 13,856.16 and 4,857.96

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Solution

The fourth proportional to 9,231.29, 13,856.16 and 4,857.96 is: 7,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.29 : 13,856.16 = 4,857.96 : x
  2. Step 2: Convert to fraction form
    9,231.29/13,856.16 = 4,857.96/x
  3. Step 3: Cross multiply
    9,231.29x = 13,856.16 × 4,857.96
  4. Step 4: Simplify right side
    9,231.29x = 67,312,671.03
  5. Step 5: Solve for x
    x = 67,312,671.03/9,231.29
  6. Step 6: Final answer
    x = 7,291.80

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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.