Home / 11,090.70-16,636.05-10,653.30

Finding the Fourth Proportional to 11,090.70, 16,636.05 and 10,653.30

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Solution

The fourth proportional to 11,090.70, 16,636.05 and 10,653.30 is: 15,979.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.70 : 16,636.05 = 10,653.30 : x
  2. Step 2: Convert to fraction form
    11,090.70/16,636.05 = 10,653.30/x
  3. Step 3: Cross multiply
    11,090.70x = 16,636.05 × 10,653.30
  4. Step 4: Simplify right side
    11,090.70x = 177,228,831.47
  5. Step 5: Solve for x
    x = 177,228,831.47/11,090.70
  6. Step 6: Final answer
    x = 15,979.95

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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.