Home / 8,275.19-12,408.88-3,006.49

Finding the Fourth Proportional to 8,275.19, 12,408.88 and 3,006.49

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Solution

The fourth proportional to 8,275.19, 12,408.88 and 3,006.49 is: 4,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.19 : 12,408.88 = 3,006.49 : x
  2. Step 2: Convert to fraction form
    8,275.19/12,408.88 = 3,006.49/x
  3. Step 3: Cross multiply
    8,275.19x = 12,408.88 × 3,006.49
  4. Step 4: Simplify right side
    8,275.19x = 37,307,211.58
  5. Step 5: Solve for x
    x = 37,307,211.58/8,275.19
  6. Step 6: Final answer
    x = 4,508.32

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1.5x scale

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.