Home / 7,517.20-11,224.64-6,632.32

Finding the Fourth Proportional to 7,517.20, 11,224.64 and 6,632.32

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Solution

The fourth proportional to 7,517.20, 11,224.64 and 6,632.32 is: 9,903.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.20 : 11,224.64 = 6,632.32 : x
  2. Step 2: Convert to fraction form
    7,517.20/11,224.64 = 6,632.32/x
  3. Step 3: Cross multiply
    7,517.20x = 11,224.64 × 6,632.32
  4. Step 4: Simplify right side
    7,517.20x = 74,445,404.36
  5. Step 5: Solve for x
    x = 74,445,404.36/7,517.20
  6. Step 6: Final answer
    x = 9,903.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.