Home / 7,275.68-10,912.72-2,011.08

Finding the Fourth Proportional to 7,275.68, 10,912.72 and 2,011.08

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Solution

The fourth proportional to 7,275.68, 10,912.72 and 2,011.08 is: 3,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.68 : 10,912.72 = 2,011.08 : x
  2. Step 2: Convert to fraction form
    7,275.68/10,912.72 = 2,011.08/x
  3. Step 3: Cross multiply
    7,275.68x = 10,912.72 × 2,011.08
  4. Step 4: Simplify right side
    7,275.68x = 21,946,352.94
  5. Step 5: Solve for x
    x = 21,946,352.94/7,275.68
  6. Step 6: Final answer
    x = 3,016.40

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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.