Home / 10,236.30-15,329.84-5,840.43

Finding the Fourth Proportional to 10,236.30, 15,329.84 and 5,840.43

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Solution

The fourth proportional to 10,236.30, 15,329.84 and 5,840.43 is: 8,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.30 : 15,329.84 = 5,840.43 : x
  2. Step 2: Convert to fraction form
    10,236.30/15,329.84 = 5,840.43/x
  3. Step 3: Cross multiply
    10,236.30x = 15,329.84 × 5,840.43
  4. Step 4: Simplify right side
    10,236.30x = 89,532,819.11
  5. Step 5: Solve for x
    x = 89,532,819.11/10,236.30
  6. Step 6: Final answer
    x = 8,746.60

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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.