Home / 11,120.90-16,664.94-10,497.60

Finding the Fourth Proportional to 11,120.90, 16,664.94 and 10,497.60

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Solution

The fourth proportional to 11,120.90, 16,664.94 and 10,497.60 is: 15,730.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.90 : 16,664.94 = 10,497.60 : x
  2. Step 2: Convert to fraction form
    11,120.90/16,664.94 = 10,497.60/x
  3. Step 3: Cross multiply
    11,120.90x = 16,664.94 × 10,497.60
  4. Step 4: Simplify right side
    11,120.90x = 174,941,874.14
  5. Step 5: Solve for x
    x = 174,941,874.14/11,120.90
  6. Step 6: Final answer
    x = 15,730.92

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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.