Home / 8,115.83-11,200.16-4,758.17

Finding the Fourth Proportional to 8,115.83, 11,200.16 and 4,758.17

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Solution

The fourth proportional to 8,115.83, 11,200.16 and 4,758.17 is: 6,566.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.83 : 11,200.16 = 4,758.17 : x
  2. Step 2: Convert to fraction form
    8,115.83/11,200.16 = 4,758.17/x
  3. Step 3: Cross multiply
    8,115.83x = 11,200.16 × 4,758.17
  4. Step 4: Simplify right side
    8,115.83x = 53,292,241.52
  5. Step 5: Solve for x
    x = 53,292,241.52/8,115.83
  6. Step 6: Final answer
    x = 6,566.46

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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.