Home / 6,997.62-9,656.49-4,164.35

Finding the Fourth Proportional to 6,997.62, 9,656.49 and 4,164.35

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Solution

The fourth proportional to 6,997.62, 9,656.49 and 4,164.35 is: 5,746.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,997.62 : 9,656.49 = 4,164.35 : x
  2. Step 2: Convert to fraction form
    6,997.62/9,656.49 = 4,164.35/x
  3. Step 3: Cross multiply
    6,997.62x = 9,656.49 × 4,164.35
  4. Step 4: Simplify right side
    6,997.62x = 40,212,955.85
  5. Step 5: Solve for x
    x = 40,212,955.85/6,997.62
  6. Step 6: Final answer
    x = 5,746.66

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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.