Home / 7,486.50-10,340.01-5,124.54

Finding the Fourth Proportional to 7,486.50, 10,340.01 and 5,124.54

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Solution

The fourth proportional to 7,486.50, 10,340.01 and 5,124.54 is: 7,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.50 : 10,340.01 = 5,124.54 : x
  2. Step 2: Convert to fraction form
    7,486.50/10,340.01 = 5,124.54/x
  3. Step 3: Cross multiply
    7,486.50x = 10,340.01 × 5,124.54
  4. Step 4: Simplify right side
    7,486.50x = 52,987,794.85
  5. Step 5: Solve for x
    x = 52,987,794.85/7,486.50
  6. Step 6: Final answer
    x = 7,077.78

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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.