Home / 9,364.24-12,922.63-5,172.49

Finding the Fourth Proportional to 9,364.24, 12,922.63 and 5,172.49

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Solution

The fourth proportional to 9,364.24, 12,922.63 and 5,172.49 is: 7,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.24 : 12,922.63 = 5,172.49 : x
  2. Step 2: Convert to fraction form
    9,364.24/12,922.63 = 5,172.49/x
  3. Step 3: Cross multiply
    9,364.24x = 12,922.63 × 5,172.49
  4. Step 4: Simplify right side
    9,364.24x = 66,842,174.45
  5. Step 5: Solve for x
    x = 66,842,174.45/9,364.24
  6. Step 6: Final answer
    x = 7,138.02

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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.