Home / 8,055.78-11,117.05-4,518.91

Finding the Fourth Proportional to 8,055.78, 11,117.05 and 4,518.91

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Solution

The fourth proportional to 8,055.78, 11,117.05 and 4,518.91 is: 6,236.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.78 : 11,117.05 = 4,518.91 : x
  2. Step 2: Convert to fraction form
    8,055.78/11,117.05 = 4,518.91/x
  3. Step 3: Cross multiply
    8,055.78x = 11,117.05 × 4,518.91
  4. Step 4: Simplify right side
    8,055.78x = 50,236,948.42
  5. Step 5: Solve for x
    x = 50,236,948.42/8,055.78
  6. Step 6: Final answer
    x = 6,236.14

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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.