Home / 10,986.06-16,478.70-3,088.64

Finding the Fourth Proportional to 10,986.06, 16,478.70 and 3,088.64

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Solution

The fourth proportional to 10,986.06, 16,478.70 and 3,088.64 is: 4,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.06 : 16,478.70 = 3,088.64 : x
  2. Step 2: Convert to fraction form
    10,986.06/16,478.70 = 3,088.64/x
  3. Step 3: Cross multiply
    10,986.06x = 16,478.70 × 3,088.64
  4. Step 4: Simplify right side
    10,986.06x = 50,896,771.97
  5. Step 5: Solve for x
    x = 50,896,771.97/10,986.06
  6. Step 6: Final answer
    x = 4,632.85

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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.