Home / 11,229.72-15,492.08-6,750.88

Finding the Fourth Proportional to 11,229.72, 15,492.08 and 6,750.88

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Solution

The fourth proportional to 11,229.72, 15,492.08 and 6,750.88 is: 9,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.72 : 15,492.08 = 6,750.88 : x
  2. Step 2: Convert to fraction form
    11,229.72/15,492.08 = 6,750.88/x
  3. Step 3: Cross multiply
    11,229.72x = 15,492.08 × 6,750.88
  4. Step 4: Simplify right side
    11,229.72x = 104,585,173.03
  5. Step 5: Solve for x
    x = 104,585,173.03/11,229.72
  6. Step 6: Final answer
    x = 9,313.25

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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.