Home / 7,150.67-10,725.57-4,247.45

Finding the Fourth Proportional to 7,150.67, 10,725.57 and 4,247.45

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Solution

The fourth proportional to 7,150.67, 10,725.57 and 4,247.45 is: 6,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.67 : 10,725.57 = 4,247.45 : x
  2. Step 2: Convert to fraction form
    7,150.67/10,725.57 = 4,247.45/x
  3. Step 3: Cross multiply
    7,150.67x = 10,725.57 × 4,247.45
  4. Step 4: Simplify right side
    7,150.67x = 45,556,268.67
  5. Step 5: Solve for x
    x = 45,556,268.67/7,150.67
  6. Step 6: Final answer
    x = 6,370.91

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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.