Home / 11,197.16-15,353.83-10,905.56

Finding the Fourth Proportional to 11,197.16, 15,353.83 and 10,905.56

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Solution

The fourth proportional to 11,197.16, 15,353.83 and 10,905.56 is: 14,953.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,197.16 : 15,353.83 = 10,905.56 : x
  2. Step 2: Convert to fraction form
    11,197.16/15,353.83 = 10,905.56/x
  3. Step 3: Cross multiply
    11,197.16x = 15,353.83 × 10,905.56
  4. Step 4: Simplify right side
    11,197.16x = 167,442,059.77
  5. Step 5: Solve for x
    x = 167,442,059.77/11,197.16
  6. Step 6: Final answer
    x = 14,953.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.