Home / 10,749.58-16,119.07-6,315.88

Finding the Fourth Proportional to 10,749.58, 16,119.07 and 6,315.88

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Solution

The fourth proportional to 10,749.58, 16,119.07 and 6,315.88 is: 9,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.58 : 16,119.07 = 6,315.88 : x
  2. Step 2: Convert to fraction form
    10,749.58/16,119.07 = 6,315.88/x
  3. Step 3: Cross multiply
    10,749.58x = 16,119.07 × 6,315.88
  4. Step 4: Simplify right side
    10,749.58x = 101,806,111.83
  5. Step 5: Solve for x
    x = 101,806,111.83/10,749.58
  6. Step 6: Final answer
    x = 9,470.71

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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.