Home / 7,390.01-10,199.92-4,872.56

Finding the Fourth Proportional to 7,390.01, 10,199.92 and 4,872.56

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Solution

The fourth proportional to 7,390.01, 10,199.92 and 4,872.56 is: 6,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.01 : 10,199.92 = 4,872.56 : x
  2. Step 2: Convert to fraction form
    7,390.01/10,199.92 = 4,872.56/x
  3. Step 3: Cross multiply
    7,390.01x = 10,199.92 × 4,872.56
  4. Step 4: Simplify right side
    7,390.01x = 49,699,722.20
  5. Step 5: Solve for x
    x = 49,699,722.20/7,390.01
  6. Step 6: Final answer
    x = 6,725.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.