Home / 9,370.29-12,928.11-5,336.85

Finding the Fourth Proportional to 9,370.29, 12,928.11 and 5,336.85

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Solution

The fourth proportional to 9,370.29, 12,928.11 and 5,336.85 is: 7,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,370.29 : 12,928.11 = 5,336.85 : x
  2. Step 2: Convert to fraction form
    9,370.29/12,928.11 = 5,336.85/x
  3. Step 3: Cross multiply
    9,370.29x = 12,928.11 × 5,336.85
  4. Step 4: Simplify right side
    9,370.29x = 68,995,383.85
  5. Step 5: Solve for x
    x = 68,995,383.85/9,370.29
  6. Step 6: Final answer
    x = 7,363.21

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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.