Home / 9,366.08-12,930.72-6,228.80

Finding the Fourth Proportional to 9,366.08, 12,930.72 and 6,228.80

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Solution

The fourth proportional to 9,366.08, 12,930.72 and 6,228.80 is: 8,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.08 : 12,930.72 = 6,228.80 : x
  2. Step 2: Convert to fraction form
    9,366.08/12,930.72 = 6,228.80/x
  3. Step 3: Cross multiply
    9,366.08x = 12,930.72 × 6,228.80
  4. Step 4: Simplify right side
    9,366.08x = 80,542,868.74
  5. Step 5: Solve for x
    x = 80,542,868.74/9,366.08
  6. Step 6: Final answer
    x = 8,599.42

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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.