Home / 7,530.24-11,292.56-3,831.20

Finding the Fourth Proportional to 7,530.24, 11,292.56 and 3,831.20

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Solution

The fourth proportional to 7,530.24, 11,292.56 and 3,831.20 is: 5,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.24 : 11,292.56 = 3,831.20 : x
  2. Step 2: Convert to fraction form
    7,530.24/11,292.56 = 3,831.20/x
  3. Step 3: Cross multiply
    7,530.24x = 11,292.56 × 3,831.20
  4. Step 4: Simplify right side
    7,530.24x = 43,264,055.87
  5. Step 5: Solve for x
    x = 43,264,055.87/7,530.24
  6. Step 6: Final answer
    x = 5,745.38

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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.