Home / 9,504.39-13,102.34-6,515.49

Finding the Fourth Proportional to 9,504.39, 13,102.34 and 6,515.49

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Solution

The fourth proportional to 9,504.39, 13,102.34 and 6,515.49 is: 8,981.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,504.39 : 13,102.34 = 6,515.49 : x
  2. Step 2: Convert to fraction form
    9,504.39/13,102.34 = 6,515.49/x
  3. Step 3: Cross multiply
    9,504.39x = 13,102.34 × 6,515.49
  4. Step 4: Simplify right side
    9,504.39x = 85,368,132.67
  5. Step 5: Solve for x
    x = 85,368,132.67/9,504.39
  6. Step 6: Final answer
    x = 8,981.97

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Half scale
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Double scale
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Similar ratio
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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.