Home / 10,141.24-15,212.40-3,216.28

Finding the Fourth Proportional to 10,141.24, 15,212.40 and 3,216.28

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Solution

The fourth proportional to 10,141.24, 15,212.40 and 3,216.28 is: 4,824.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,141.24 : 15,212.40 = 3,216.28 : x
  2. Step 2: Convert to fraction form
    10,141.24/15,212.40 = 3,216.28/x
  3. Step 3: Cross multiply
    10,141.24x = 15,212.40 × 3,216.28
  4. Step 4: Simplify right side
    10,141.24x = 48,927,337.87
  5. Step 5: Solve for x
    x = 48,927,337.87/10,141.24
  6. Step 6: Final answer
    x = 4,824.59

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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.