Home / 11,188.45-15,436.21-6,937.98

Finding the Fourth Proportional to 11,188.45, 15,436.21 and 6,937.98

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Solution

The fourth proportional to 11,188.45, 15,436.21 and 6,937.98 is: 9,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.45 : 15,436.21 = 6,937.98 : x
  2. Step 2: Convert to fraction form
    11,188.45/15,436.21 = 6,937.98/x
  3. Step 3: Cross multiply
    11,188.45x = 15,436.21 × 6,937.98
  4. Step 4: Simplify right side
    11,188.45x = 107,096,004.38
  5. Step 5: Solve for x
    x = 107,096,004.38/11,188.45
  6. Step 6: Final answer
    x = 9,572.02

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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.