Home / 10,130.82-15,174.63-5,746.02

Finding the Fourth Proportional to 10,130.82, 15,174.63 and 5,746.02

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Solution

The fourth proportional to 10,130.82, 15,174.63 and 5,746.02 is: 8,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.82 : 15,174.63 = 5,746.02 : x
  2. Step 2: Convert to fraction form
    10,130.82/15,174.63 = 5,746.02/x
  3. Step 3: Cross multiply
    10,130.82x = 15,174.63 × 5,746.02
  4. Step 4: Simplify right side
    10,130.82x = 87,193,727.47
  5. Step 5: Solve for x
    x = 87,193,727.47/10,130.82
  6. Step 6: Final answer
    x = 8,606.78

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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.