Home / 7,246.98-10,869.78-2,320.20

Finding the Fourth Proportional to 7,246.98, 10,869.78 and 2,320.20

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Solution

The fourth proportional to 7,246.98, 10,869.78 and 2,320.20 is: 3,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.98 : 10,869.78 = 2,320.20 : x
  2. Step 2: Convert to fraction form
    7,246.98/10,869.78 = 2,320.20/x
  3. Step 3: Cross multiply
    7,246.98x = 10,869.78 × 2,320.20
  4. Step 4: Simplify right side
    7,246.98x = 25,220,063.56
  5. Step 5: Solve for x
    x = 25,220,063.56/7,246.98
  6. Step 6: Final answer
    x = 3,480.08

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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.