Home / 11,226.28-15,492.37-6,190.70

Finding the Fourth Proportional to 11,226.28, 15,492.37 and 6,190.70

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Solution

The fourth proportional to 11,226.28, 15,492.37 and 6,190.70 is: 8,543.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.28 : 15,492.37 = 6,190.70 : x
  2. Step 2: Convert to fraction form
    11,226.28/15,492.37 = 6,190.70/x
  3. Step 3: Cross multiply
    11,226.28x = 15,492.37 × 6,190.70
  4. Step 4: Simplify right side
    11,226.28x = 95,908,614.96
  5. Step 5: Solve for x
    x = 95,908,614.96/11,226.28
  6. Step 6: Final answer
    x = 8,543.23

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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.