Home / 10,509.54-15,764.26-3,114.04

Finding the Fourth Proportional to 10,509.54, 15,764.26 and 3,114.04

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Solution

The fourth proportional to 10,509.54, 15,764.26 and 3,114.04 is: 4,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.54 : 15,764.26 = 3,114.04 : x
  2. Step 2: Convert to fraction form
    10,509.54/15,764.26 = 3,114.04/x
  3. Step 3: Cross multiply
    10,509.54x = 15,764.26 × 3,114.04
  4. Step 4: Simplify right side
    10,509.54x = 49,090,536.21
  5. Step 5: Solve for x
    x = 49,090,536.21/10,509.54
  6. Step 6: Final answer
    x = 4,671.05

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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.