Home / 10,107.89-15,155.26-4,842.76

Finding the Fourth Proportional to 10,107.89, 15,155.26 and 4,842.76

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Solution

The fourth proportional to 10,107.89, 15,155.26 and 4,842.76 is: 7,260.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,107.89 : 15,155.26 = 4,842.76 : x
  2. Step 2: Convert to fraction form
    10,107.89/15,155.26 = 4,842.76/x
  3. Step 3: Cross multiply
    10,107.89x = 15,155.26 × 4,842.76
  4. Step 4: Simplify right side
    10,107.89x = 73,393,286.92
  5. Step 5: Solve for x
    x = 73,393,286.92/10,107.89
  6. Step 6: Final answer
    x = 7,260.99

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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.