Home / 10,197.82-15,301.32-5,512.35

Finding the Fourth Proportional to 10,197.82, 15,301.32 and 5,512.35

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Solution

The fourth proportional to 10,197.82, 15,301.32 and 5,512.35 is: 8,271.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.82 : 15,301.32 = 5,512.35 : x
  2. Step 2: Convert to fraction form
    10,197.82/15,301.32 = 5,512.35/x
  3. Step 3: Cross multiply
    10,197.82x = 15,301.32 × 5,512.35
  4. Step 4: Simplify right side
    10,197.82x = 84,346,169.63
  5. Step 5: Solve for x
    x = 84,346,169.63/10,197.82
  6. Step 6: Final answer
    x = 8,271.00

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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.