Home / 6,816.72-9,407.52-4,164.24

Finding the Fourth Proportional to 6,816.72, 9,407.52 and 4,164.24

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Solution

The fourth proportional to 6,816.72, 9,407.52 and 4,164.24 is: 5,746.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.72 : 9,407.52 = 4,164.24 : x
  2. Step 2: Convert to fraction form
    6,816.72/9,407.52 = 4,164.24/x
  3. Step 3: Cross multiply
    6,816.72x = 9,407.52 × 4,164.24
  4. Step 4: Simplify right side
    6,816.72x = 39,175,171.08
  5. Step 5: Solve for x
    x = 39,175,171.08/6,816.72
  6. Step 6: Final answer
    x = 5,746.92

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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.