Home / 8,385.08-11,573.30-5,552.55

Finding the Fourth Proportional to 8,385.08, 11,573.30 and 5,552.55

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Solution

The fourth proportional to 8,385.08, 11,573.30 and 5,552.55 is: 7,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.08 : 11,573.30 = 5,552.55 : x
  2. Step 2: Convert to fraction form
    8,385.08/11,573.30 = 5,552.55/x
  3. Step 3: Cross multiply
    8,385.08x = 11,573.30 × 5,552.55
  4. Step 4: Simplify right side
    8,385.08x = 64,261,299.15
  5. Step 5: Solve for x
    x = 64,261,299.15/8,385.08
  6. Step 6: Final answer
    x = 7,663.77

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Half scale
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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.