Home / 8,021.19-11,069.75-4,484.91

Finding the Fourth Proportional to 8,021.19, 11,069.75 and 4,484.91

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Solution

The fourth proportional to 8,021.19, 11,069.75 and 4,484.91 is: 6,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.19 : 11,069.75 = 4,484.91 : x
  2. Step 2: Convert to fraction form
    8,021.19/11,069.75 = 4,484.91/x
  3. Step 3: Cross multiply
    8,021.19x = 11,069.75 × 4,484.91
  4. Step 4: Simplify right side
    8,021.19x = 49,646,810.05
  5. Step 5: Solve for x
    x = 49,646,810.05/8,021.19
  6. Step 6: Final answer
    x = 6,189.46

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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.