Home / 10,953.64-16,428.92-3,558.20

Finding the Fourth Proportional to 10,953.64, 16,428.92 and 3,558.20

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Solution

The fourth proportional to 10,953.64, 16,428.92 and 3,558.20 is: 5,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.64 : 16,428.92 = 3,558.20 : x
  2. Step 2: Convert to fraction form
    10,953.64/16,428.92 = 3,558.20/x
  3. Step 3: Cross multiply
    10,953.64x = 16,428.92 × 3,558.20
  4. Step 4: Simplify right side
    10,953.64x = 58,457,383.14
  5. Step 5: Solve for x
    x = 58,457,383.14/10,953.64
  6. Step 6: Final answer
    x = 5,336.80

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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.