Home / 8,031.96-12,102.82-6,603.12

Finding the Fourth Proportional to 8,031.96, 12,102.82 and 6,603.12

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Solution

The fourth proportional to 8,031.96, 12,102.82 and 6,603.12 is: 9,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.96 : 12,102.82 = 6,603.12 : x
  2. Step 2: Convert to fraction form
    8,031.96/12,102.82 = 6,603.12/x
  3. Step 3: Cross multiply
    8,031.96x = 12,102.82 × 6,603.12
  4. Step 4: Simplify right side
    8,031.96x = 79,916,356.29
  5. Step 5: Solve for x
    x = 79,916,356.29/8,031.96
  6. Step 6: Final answer
    x = 9,949.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.