Home / 11,860.25-16,366.51-6,554.75

Finding the Fourth Proportional to 11,860.25, 16,366.51 and 6,554.75

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Solution

The fourth proportional to 11,860.25, 16,366.51 and 6,554.75 is: 9,045.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.25 : 16,366.51 = 6,554.75 : x
  2. Step 2: Convert to fraction form
    11,860.25/16,366.51 = 6,554.75/x
  3. Step 3: Cross multiply
    11,860.25x = 16,366.51 × 6,554.75
  4. Step 4: Simplify right side
    11,860.25x = 107,278,381.42
  5. Step 5: Solve for x
    x = 107,278,381.42/11,860.25
  6. Step 6: Final answer
    x = 9,045.20

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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.