Home / 7,188.22-10,782.32-2,258.24

Finding the Fourth Proportional to 7,188.22, 10,782.32 and 2,258.24

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Solution

The fourth proportional to 7,188.22, 10,782.32 and 2,258.24 is: 3,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.22 : 10,782.32 = 2,258.24 : x
  2. Step 2: Convert to fraction form
    7,188.22/10,782.32 = 2,258.24/x
  3. Step 3: Cross multiply
    7,188.22x = 10,782.32 × 2,258.24
  4. Step 4: Simplify right side
    7,188.22x = 24,349,066.32
  5. Step 5: Solve for x
    x = 24,349,066.32/7,188.22
  6. Step 6: Final answer
    x = 3,387.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.