Home / 6,678.01-9,209.62-4,285.23

Finding the Fourth Proportional to 6,678.01, 9,209.62 and 4,285.23

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Solution

The fourth proportional to 6,678.01, 9,209.62 and 4,285.23 is: 5,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.01 : 9,209.62 = 4,285.23 : x
  2. Step 2: Convert to fraction form
    6,678.01/9,209.62 = 4,285.23/x
  3. Step 3: Cross multiply
    6,678.01x = 9,209.62 × 4,285.23
  4. Step 4: Simplify right side
    6,678.01x = 39,465,339.91
  5. Step 5: Solve for x
    x = 39,465,339.91/6,678.01
  6. Step 6: Final answer
    x = 5,909.75

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Half scale
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Double 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.