Home / 11,274.39-15,559.09-6,170.25

Finding the Fourth Proportional to 11,274.39, 15,559.09 and 6,170.25

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Solution

The fourth proportional to 11,274.39, 15,559.09 and 6,170.25 is: 8,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.39 : 15,559.09 = 6,170.25 : x
  2. Step 2: Convert to fraction form
    11,274.39/15,559.09 = 6,170.25/x
  3. Step 3: Cross multiply
    11,274.39x = 15,559.09 × 6,170.25
  4. Step 4: Simplify right side
    11,274.39x = 96,003,475.07
  5. Step 5: Solve for x
    x = 96,003,475.07/11,274.39
  6. Step 6: Final answer
    x = 8,515.18

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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.