Home / 9,867.10-14,800.66-5,188.29

Finding the Fourth Proportional to 9,867.10, 14,800.66 and 5,188.29

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Solution

The fourth proportional to 9,867.10, 14,800.66 and 5,188.29 is: 7,782.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.10 : 14,800.66 = 5,188.29 : x
  2. Step 2: Convert to fraction form
    9,867.10/14,800.66 = 5,188.29/x
  3. Step 3: Cross multiply
    9,867.10x = 14,800.66 × 5,188.29
  4. Step 4: Simplify right side
    9,867.10x = 76,790,116.27
  5. Step 5: Solve for x
    x = 76,790,116.27/9,867.10
  6. Step 6: Final answer
    x = 7,782.44

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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.