Home / 9,831.40-14,738.46-4,643.56

Finding the Fourth Proportional to 9,831.40, 14,738.46 and 4,643.56

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Solution

The fourth proportional to 9,831.40, 14,738.46 and 4,643.56 is: 6,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,831.40 : 14,738.46 = 4,643.56 : x
  2. Step 2: Convert to fraction form
    9,831.40/14,738.46 = 4,643.56/x
  3. Step 3: Cross multiply
    9,831.40x = 14,738.46 × 4,643.56
  4. Step 4: Simplify right side
    9,831.40x = 68,438,923.32
  5. Step 5: Solve for x
    x = 68,438,923.32/9,831.40
  6. Step 6: Final answer
    x = 6,961.26

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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.