Home / 8,160.08-11,263.48-4,625.65

Finding the Fourth Proportional to 8,160.08, 11,263.48 and 4,625.65

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Solution

The fourth proportional to 8,160.08, 11,263.48 and 4,625.65 is: 6,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.08 : 11,263.48 = 4,625.65 : x
  2. Step 2: Convert to fraction form
    8,160.08/11,263.48 = 4,625.65/x
  3. Step 3: Cross multiply
    8,160.08x = 11,263.48 × 4,625.65
  4. Step 4: Simplify right side
    8,160.08x = 52,100,876.54
  5. Step 5: Solve for x
    x = 52,100,876.54/8,160.08
  6. Step 6: Final answer
    x = 6,384.85

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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.