Home / 11,240.55-15,512.66-6,462.01

Finding the Fourth Proportional to 11,240.55, 15,512.66 and 6,462.01

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Solution

The fourth proportional to 11,240.55, 15,512.66 and 6,462.01 is: 8,917.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.55 : 15,512.66 = 6,462.01 : x
  2. Step 2: Convert to fraction form
    11,240.55/15,512.66 = 6,462.01/x
  3. Step 3: Cross multiply
    11,240.55x = 15,512.66 × 6,462.01
  4. Step 4: Simplify right side
    11,240.55x = 100,242,964.05
  5. Step 5: Solve for x
    x = 100,242,964.05/11,240.55
  6. Step 6: Final answer
    x = 8,917.98

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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.