Home / 7,725.07-11,586.12-2,177.02

Finding the Fourth Proportional to 7,725.07, 11,586.12 and 2,177.02

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Solution

The fourth proportional to 7,725.07, 11,586.12 and 2,177.02 is: 3,265.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.07 : 11,586.12 = 2,177.02 : x
  2. Step 2: Convert to fraction form
    7,725.07/11,586.12 = 2,177.02/x
  3. Step 3: Cross multiply
    7,725.07x = 11,586.12 × 2,177.02
  4. Step 4: Simplify right side
    7,725.07x = 25,223,214.96
  5. Step 5: Solve for x
    x = 25,223,214.96/7,725.07
  6. Step 6: Final answer
    x = 3,265.11

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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.