Home / 8,114.72-11,196.36-4,577.90

Finding the Fourth Proportional to 8,114.72, 11,196.36 and 4,577.90

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Solution

The fourth proportional to 8,114.72, 11,196.36 and 4,577.90 is: 6,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.72 : 11,196.36 = 4,577.90 : x
  2. Step 2: Convert to fraction form
    8,114.72/11,196.36 = 4,577.90/x
  3. Step 3: Cross multiply
    8,114.72x = 11,196.36 × 4,577.90
  4. Step 4: Simplify right side
    8,114.72x = 51,255,760.46
  5. Step 5: Solve for x
    x = 51,255,760.46/8,114.72
  6. Step 6: Final answer
    x = 6,316.40

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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.