Home / 11,565.45-17,257.32-10,860.14

Finding the Fourth Proportional to 11,565.45, 17,257.32 and 10,860.14

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Solution

The fourth proportional to 11,565.45, 17,257.32 and 10,860.14 is: 16,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.45 : 17,257.32 = 10,860.14 : x
  2. Step 2: Convert to fraction form
    11,565.45/17,257.32 = 10,860.14/x
  3. Step 3: Cross multiply
    11,565.45x = 17,257.32 × 10,860.14
  4. Step 4: Simplify right side
    11,565.45x = 187,416,954.37
  5. Step 5: Solve for x
    x = 187,416,954.37/11,565.45
  6. Step 6: Final answer
    x = 16,204.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.