Home / 10,115.24-15,174.69-3,095.13

Finding the Fourth Proportional to 10,115.24, 15,174.69 and 3,095.13

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Solution

The fourth proportional to 10,115.24, 15,174.69 and 3,095.13 is: 4,643.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115.24 : 15,174.69 = 3,095.13 : x
  2. Step 2: Convert to fraction form
    10,115.24/15,174.69 = 3,095.13/x
  3. Step 3: Cross multiply
    10,115.24x = 15,174.69 × 3,095.13
  4. Step 4: Simplify right side
    10,115.24x = 46,967,638.26
  5. Step 5: Solve for x
    x = 46,967,638.26/10,115.24
  6. Step 6: Final answer
    x = 4,643.25

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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.