Home / 11,195.92-15,431.34-7,652.98

Finding the Fourth Proportional to 11,195.92, 15,431.34 and 7,652.98

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Solution

The fourth proportional to 11,195.92, 15,431.34 and 7,652.98 is: 10,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.92 : 15,431.34 = 7,652.98 : x
  2. Step 2: Convert to fraction form
    11,195.92/15,431.34 = 7,652.98/x
  3. Step 3: Cross multiply
    11,195.92x = 15,431.34 × 7,652.98
  4. Step 4: Simplify right side
    11,195.92x = 118,095,736.39
  5. Step 5: Solve for x
    x = 118,095,736.39/11,195.92
  6. Step 6: Final answer
    x = 10,548.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.