Home / 11,660.84-17,488.80-4,268.76

Finding the Fourth Proportional to 11,660.84, 17,488.80 and 4,268.76

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Solution

The fourth proportional to 11,660.84, 17,488.80 and 4,268.76 is: 6,402.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.84 : 17,488.80 = 4,268.76 : x
  2. Step 2: Convert to fraction form
    11,660.84/17,488.80 = 4,268.76/x
  3. Step 3: Cross multiply
    11,660.84x = 17,488.80 × 4,268.76
  4. Step 4: Simplify right side
    11,660.84x = 74,655,489.89
  5. Step 5: Solve for x
    x = 74,655,489.89/11,660.84
  6. Step 6: Final answer
    x = 6,402.24

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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.