Home / 9,180.25-12,669.58-5,202.64

Finding the Fourth Proportional to 9,180.25, 12,669.58 and 5,202.64

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Solution

The fourth proportional to 9,180.25, 12,669.58 and 5,202.64 is: 7,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.25 : 12,669.58 = 5,202.64 : x
  2. Step 2: Convert to fraction form
    9,180.25/12,669.58 = 5,202.64/x
  3. Step 3: Cross multiply
    9,180.25x = 12,669.58 × 5,202.64
  4. Step 4: Simplify right side
    9,180.25x = 65,915,263.69
  5. Step 5: Solve for x
    x = 65,915,263.69/9,180.25
  6. Step 6: Final answer
    x = 7,180.12

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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.