Home / 11,025.78-15,213.21-6,551.04

Finding the Fourth Proportional to 11,025.78, 15,213.21 and 6,551.04

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Solution

The fourth proportional to 11,025.78, 15,213.21 and 6,551.04 is: 9,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.78 : 15,213.21 = 6,551.04 : x
  2. Step 2: Convert to fraction form
    11,025.78/15,213.21 = 6,551.04/x
  3. Step 3: Cross multiply
    11,025.78x = 15,213.21 × 6,551.04
  4. Step 4: Simplify right side
    11,025.78x = 99,662,347.24
  5. Step 5: Solve for x
    x = 99,662,347.24/11,025.78
  6. Step 6: Final answer
    x = 9,039.03

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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.