Home / 7,261.68-10,021.11-4,117.86

Finding the Fourth Proportional to 7,261.68, 10,021.11 and 4,117.86

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Solution

The fourth proportional to 7,261.68, 10,021.11 and 4,117.86 is: 5,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.68 : 10,021.11 = 4,117.86 : x
  2. Step 2: Convert to fraction form
    7,261.68/10,021.11 = 4,117.86/x
  3. Step 3: Cross multiply
    7,261.68x = 10,021.11 × 4,117.86
  4. Step 4: Simplify right side
    7,261.68x = 41,265,528.02
  5. Step 5: Solve for x
    x = 41,265,528.02/7,261.68
  6. Step 6: Final answer
    x = 5,682.64

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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.