Home / 8,022.93-12,031.40-2,756.45

Finding the Fourth Proportional to 8,022.93, 12,031.40 and 2,756.45

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Solution

The fourth proportional to 8,022.93, 12,031.40 and 2,756.45 is: 4,133.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,022.93 : 12,031.40 = 2,756.45 : x
  2. Step 2: Convert to fraction form
    8,022.93/12,031.40 = 2,756.45/x
  3. Step 3: Cross multiply
    8,022.93x = 12,031.40 × 2,756.45
  4. Step 4: Simplify right side
    8,022.93x = 33,163,952.53
  5. Step 5: Solve for x
    x = 33,163,952.53/8,022.93
  6. Step 6: Final answer
    x = 4,133.65

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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.