Home / 7,652.25-11,480.19-4,145.76

Finding the Fourth Proportional to 7,652.25, 11,480.19 and 4,145.76

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Solution

The fourth proportional to 7,652.25, 11,480.19 and 4,145.76 is: 6,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,652.25 : 11,480.19 = 4,145.76 : x
  2. Step 2: Convert to fraction form
    7,652.25/11,480.19 = 4,145.76/x
  3. Step 3: Cross multiply
    7,652.25x = 11,480.19 × 4,145.76
  4. Step 4: Simplify right side
    7,652.25x = 47,594,112.49
  5. Step 5: Solve for x
    x = 47,594,112.49/7,652.25
  6. Step 6: Final answer
    x = 6,219.62

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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.