Home / 11,109.92-16,583.78-9,708.62

Finding the Fourth Proportional to 11,109.92, 16,583.78 and 9,708.62

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Solution

The fourth proportional to 11,109.92, 16,583.78 and 9,708.62 is: 14,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.92 : 16,583.78 = 9,708.62 : x
  2. Step 2: Convert to fraction form
    11,109.92/16,583.78 = 9,708.62/x
  3. Step 3: Cross multiply
    11,109.92x = 16,583.78 × 9,708.62
  4. Step 4: Simplify right side
    11,109.92x = 161,005,559.54
  5. Step 5: Solve for x
    x = 161,005,559.54/11,109.92
  6. Step 6: Final answer
    x = 14,492.06

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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.