Home / 8,145.09-11,240.37-4,609.04

Finding the Fourth Proportional to 8,145.09, 11,240.37 and 4,609.04

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Solution

The fourth proportional to 8,145.09, 11,240.37 and 4,609.04 is: 6,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.09 : 11,240.37 = 4,609.04 : x
  2. Step 2: Convert to fraction form
    8,145.09/11,240.37 = 4,609.04/x
  3. Step 3: Cross multiply
    8,145.09x = 11,240.37 × 4,609.04
  4. Step 4: Simplify right side
    8,145.09x = 51,807,258.74
  5. Step 5: Solve for x
    x = 51,807,258.74/8,145.09
  6. Step 6: Final answer
    x = 6,360.55

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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.