Home / 6,209.06-9,315.21-2,313.50

Finding the Fourth Proportional to 6,209.06, 9,315.21 and 2,313.50

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Solution

The fourth proportional to 6,209.06, 9,315.21 and 2,313.50 is: 3,470.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.06 : 9,315.21 = 2,313.50 : x
  2. Step 2: Convert to fraction form
    6,209.06/9,315.21 = 2,313.50/x
  3. Step 3: Cross multiply
    6,209.06x = 9,315.21 × 2,313.50
  4. Step 4: Simplify right side
    6,209.06x = 21,550,738.34
  5. Step 5: Solve for x
    x = 21,550,738.34/6,209.06
  6. Step 6: Final answer
    x = 3,470.85

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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.