Home / 11,261.64-16,888.92-4,686.12

Finding the Fourth Proportional to 11,261.64, 16,888.92 and 4,686.12

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Solution

The fourth proportional to 11,261.64, 16,888.92 and 4,686.12 is: 7,027.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.64 : 16,888.92 = 4,686.12 : x
  2. Step 2: Convert to fraction form
    11,261.64/16,888.92 = 4,686.12/x
  3. Step 3: Cross multiply
    11,261.64x = 16,888.92 × 4,686.12
  4. Step 4: Simplify right side
    11,261.64x = 79,143,505.79
  5. Step 5: Solve for x
    x = 79,143,505.79/11,261.64
  6. Step 6: Final answer
    x = 7,027.71

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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.