Home / 11,226.58-15,492.80-6,190.81

Finding the Fourth Proportional to 11,226.58, 15,492.80 and 6,190.81

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Solution

The fourth proportional to 11,226.58, 15,492.80 and 6,190.81 is: 8,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.58 : 15,492.80 = 6,190.81 : x
  2. Step 2: Convert to fraction form
    11,226.58/15,492.80 = 6,190.81/x
  3. Step 3: Cross multiply
    11,226.58x = 15,492.80 × 6,190.81
  4. Step 4: Simplify right side
    11,226.58x = 95,912,981.17
  5. Step 5: Solve for x
    x = 95,912,981.17/11,226.58
  6. Step 6: Final answer
    x = 8,543.38

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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.