Home / 8,120.19-11,205.59-4,583.10

Finding the Fourth Proportional to 8,120.19, 11,205.59 and 4,583.10

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Solution

The fourth proportional to 8,120.19, 11,205.59 and 4,583.10 is: 6,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,120.19 : 11,205.59 = 4,583.10 : x
  2. Step 2: Convert to fraction form
    8,120.19/11,205.59 = 4,583.10/x
  3. Step 3: Cross multiply
    8,120.19x = 11,205.59 × 4,583.10
  4. Step 4: Simplify right side
    8,120.19x = 51,356,316.61
  5. Step 5: Solve for x
    x = 51,356,316.61/8,120.19
  6. Step 6: Final answer
    x = 6,324.52

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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.