Home / 10,996.79-15,175.58-6,522.75

Finding the Fourth Proportional to 10,996.79, 15,175.58 and 6,522.75

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Solution

The fourth proportional to 10,996.79, 15,175.58 and 6,522.75 is: 9,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.79 : 15,175.58 = 6,522.75 : x
  2. Step 2: Convert to fraction form
    10,996.79/15,175.58 = 6,522.75/x
  3. Step 3: Cross multiply
    10,996.79x = 15,175.58 × 6,522.75
  4. Step 4: Simplify right side
    10,996.79x = 98,986,481.83
  5. Step 5: Solve for x
    x = 98,986,481.83/10,996.79
  6. Step 6: Final answer
    x = 9,001.40

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Half scale
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Double scale
Find fourth proportional to 10,997.79, 15,176.96 and 6,523.75
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.