Home / 8,175.72-11,282.38-4,818.67

Finding the Fourth Proportional to 8,175.72, 11,282.38 and 4,818.67

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Solution

The fourth proportional to 8,175.72, 11,282.38 and 4,818.67 is: 6,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.72 : 11,282.38 = 4,818.67 : x
  2. Step 2: Convert to fraction form
    8,175.72/11,282.38 = 4,818.67/x
  3. Step 3: Cross multiply
    8,175.72x = 11,282.38 × 4,818.67
  4. Step 4: Simplify right side
    8,175.72x = 54,366,068.09
  5. Step 5: Solve for x
    x = 54,366,068.09/8,175.72
  6. Step 6: Final answer
    x = 6,649.70

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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.