Home / 8,185.68-11,297.07-4,648.50

Finding the Fourth Proportional to 8,185.68, 11,297.07 and 4,648.50

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Solution

The fourth proportional to 8,185.68, 11,297.07 and 4,648.50 is: 6,415.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.68 : 11,297.07 = 4,648.50 : x
  2. Step 2: Convert to fraction form
    8,185.68/11,297.07 = 4,648.50/x
  3. Step 3: Cross multiply
    8,185.68x = 11,297.07 × 4,648.50
  4. Step 4: Simplify right side
    8,185.68x = 52,514,429.90
  5. Step 5: Solve for x
    x = 52,514,429.90/8,185.68
  6. Step 6: Final answer
    x = 6,415.40

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Half scale
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Double scale
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Similar ratio
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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.