Home / 10,553.20-15,827.64-3,628.24

Finding the Fourth Proportional to 10,553.20, 15,827.64 and 3,628.24

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Solution

The fourth proportional to 10,553.20, 15,827.64 and 3,628.24 is: 5,441.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.20 : 15,827.64 = 3,628.24 : x
  2. Step 2: Convert to fraction form
    10,553.20/15,827.64 = 3,628.24/x
  3. Step 3: Cross multiply
    10,553.20x = 15,827.64 × 3,628.24
  4. Step 4: Simplify right side
    10,553.20x = 57,426,476.55
  5. Step 5: Solve for x
    x = 57,426,476.55/10,553.20
  6. Step 6: Final answer
    x = 5,441.62

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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.