Home / 8,265.45-11,406.28-4,488.58

Finding the Fourth Proportional to 8,265.45, 11,406.28 and 4,488.58

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Solution

The fourth proportional to 8,265.45, 11,406.28 and 4,488.58 is: 6,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.45 : 11,406.28 = 4,488.58 : x
  2. Step 2: Convert to fraction form
    8,265.45/11,406.28 = 4,488.58/x
  3. Step 3: Cross multiply
    8,265.45x = 11,406.28 × 4,488.58
  4. Step 4: Simplify right side
    8,265.45x = 51,197,960.55
  5. Step 5: Solve for x
    x = 51,197,960.55/8,265.45
  6. Step 6: Final answer
    x = 6,194.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.