Home / 7,483.64-11,221.70-2,551.55

Finding the Fourth Proportional to 7,483.64, 11,221.70 and 2,551.55

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Solution

The fourth proportional to 7,483.64, 11,221.70 and 2,551.55 is: 3,826.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.64 : 11,221.70 = 2,551.55 : x
  2. Step 2: Convert to fraction form
    7,483.64/11,221.70 = 2,551.55/x
  3. Step 3: Cross multiply
    7,483.64x = 11,221.70 × 2,551.55
  4. Step 4: Simplify right side
    7,483.64x = 28,632,659.77
  5. Step 5: Solve for x
    x = 28,632,659.77/7,483.64
  6. Step 6: Final answer
    x = 3,826.04

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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.