Home / 9,728.12-13,425.47-5,536.37

Finding the Fourth Proportional to 9,728.12, 13,425.47 and 5,536.37

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Solution

The fourth proportional to 9,728.12, 13,425.47 and 5,536.37 is: 7,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.12 : 13,425.47 = 5,536.37 : x
  2. Step 2: Convert to fraction form
    9,728.12/13,425.47 = 5,536.37/x
  3. Step 3: Cross multiply
    9,728.12x = 13,425.47 × 5,536.37
  4. Step 4: Simplify right side
    9,728.12x = 74,328,274.53
  5. Step 5: Solve for x
    x = 74,328,274.53/9,728.12
  6. Step 6: Final answer
    x = 7,640.56

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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.