Home / 11,112.96-15,337.32-6,334.65

Finding the Fourth Proportional to 11,112.96, 15,337.32 and 6,334.65

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Solution

The fourth proportional to 11,112.96, 15,337.32 and 6,334.65 is: 8,742.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.96 : 15,337.32 = 6,334.65 : x
  2. Step 2: Convert to fraction form
    11,112.96/15,337.32 = 6,334.65/x
  3. Step 3: Cross multiply
    11,112.96x = 15,337.32 × 6,334.65
  4. Step 4: Simplify right side
    11,112.96x = 97,156,554.14
  5. Step 5: Solve for x
    x = 97,156,554.14/11,112.96
  6. Step 6: Final answer
    x = 8,742.64

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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.