Home / 7,209.92-10,816.68-2,015.75

Finding the Fourth Proportional to 7,209.92, 10,816.68 and 2,015.75

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Solution

The fourth proportional to 7,209.92, 10,816.68 and 2,015.75 is: 3,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.92 : 10,816.68 = 2,015.75 : x
  2. Step 2: Convert to fraction form
    7,209.92/10,816.68 = 2,015.75/x
  3. Step 3: Cross multiply
    7,209.92x = 10,816.68 × 2,015.75
  4. Step 4: Simplify right side
    7,209.92x = 21,803,722.71
  5. Step 5: Solve for x
    x = 21,803,722.71/7,209.92
  6. Step 6: Final answer
    x = 3,024.13

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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.