Home / 10,901.10-16,351.65-7,183.20

Finding the Fourth Proportional to 10,901.10, 16,351.65 and 7,183.20

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Solution

The fourth proportional to 10,901.10, 16,351.65 and 7,183.20 is: 10,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.10 : 16,351.65 = 7,183.20 : x
  2. Step 2: Convert to fraction form
    10,901.10/16,351.65 = 7,183.20/x
  3. Step 3: Cross multiply
    10,901.10x = 16,351.65 × 7,183.20
  4. Step 4: Simplify right side
    10,901.10x = 117,457,172.28
  5. Step 5: Solve for x
    x = 117,457,172.28/10,901.10
  6. Step 6: Final answer
    x = 10,774.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.