Home / 11,020.77-16,525.74-7,690.62

Finding the Fourth Proportional to 11,020.77, 16,525.74 and 7,690.62

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Solution

The fourth proportional to 11,020.77, 16,525.74 and 7,690.62 is: 11,532.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.77 : 16,525.74 = 7,690.62 : x
  2. Step 2: Convert to fraction form
    11,020.77/16,525.74 = 7,690.62/x
  3. Step 3: Cross multiply
    11,020.77x = 16,525.74 × 7,690.62
  4. Step 4: Simplify right side
    11,020.77x = 127,093,186.56
  5. Step 5: Solve for x
    x = 127,093,186.56/11,020.77
  6. Step 6: Final answer
    x = 11,532.15

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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.