Home / 11,096.96-15,315.32-6,381.12

Finding the Fourth Proportional to 11,096.96, 15,315.32 and 6,381.12

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Solution

The fourth proportional to 11,096.96, 15,315.32 and 6,381.12 is: 8,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,096.96 : 15,315.32 = 6,381.12 : x
  2. Step 2: Convert to fraction form
    11,096.96/15,315.32 = 6,381.12/x
  3. Step 3: Cross multiply
    11,096.96x = 15,315.32 × 6,381.12
  4. Step 4: Simplify right side
    11,096.96x = 97,728,894.76
  5. Step 5: Solve for x
    x = 97,728,894.76/11,096.96
  6. Step 6: Final answer
    x = 8,806.82

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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.