Home / 11,006.07-16,510.74-3,986.61

Finding the Fourth Proportional to 11,006.07, 16,510.74 and 3,986.61

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Solution

The fourth proportional to 11,006.07, 16,510.74 and 3,986.61 is: 5,980.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.07 : 16,510.74 = 3,986.61 : x
  2. Step 2: Convert to fraction form
    11,006.07/16,510.74 = 3,986.61/x
  3. Step 3: Cross multiply
    11,006.07x = 16,510.74 × 3,986.61
  4. Step 4: Simplify right side
    11,006.07x = 65,821,881.19
  5. Step 5: Solve for x
    x = 65,821,881.19/11,006.07
  6. Step 6: Final answer
    x = 5,980.51

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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.