Home / 10,619.16-15,930.36-5,354.16

Finding the Fourth Proportional to 10,619.16, 15,930.36 and 5,354.16

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Solution

The fourth proportional to 10,619.16, 15,930.36 and 5,354.16 is: 8,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.16 : 15,930.36 = 5,354.16 : x
  2. Step 2: Convert to fraction form
    10,619.16/15,930.36 = 5,354.16/x
  3. Step 3: Cross multiply
    10,619.16x = 15,930.36 × 5,354.16
  4. Step 4: Simplify right side
    10,619.16x = 85,293,696.30
  5. Step 5: Solve for x
    x = 85,293,696.30/10,619.16
  6. Step 6: Final answer
    x = 8,032.06

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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.