Home / 9,180.64-12,669.24-5,202.46

Finding the Fourth Proportional to 9,180.64, 12,669.24 and 5,202.46

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Solution

The fourth proportional to 9,180.64, 12,669.24 and 5,202.46 is: 7,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.64 : 12,669.24 = 5,202.46 : x
  2. Step 2: Convert to fraction form
    9,180.64/12,669.24 = 5,202.46/x
  3. Step 3: Cross multiply
    9,180.64x = 12,669.24 × 5,202.46
  4. Step 4: Simplify right side
    9,180.64x = 65,911,214.33
  5. Step 5: Solve for x
    x = 65,911,214.33/9,180.64
  6. Step 6: Final answer
    x = 7,179.37

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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.