Home / 8,831.84-13,239.59-3,831.03

Finding the Fourth Proportional to 8,831.84, 13,239.59 and 3,831.03

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Solution

The fourth proportional to 8,831.84, 13,239.59 and 3,831.03 is: 5,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.84 : 13,239.59 = 3,831.03 : x
  2. Step 2: Convert to fraction form
    8,831.84/13,239.59 = 3,831.03/x
  3. Step 3: Cross multiply
    8,831.84x = 13,239.59 × 3,831.03
  4. Step 4: Simplify right side
    8,831.84x = 50,721,247.32
  5. Step 5: Solve for x
    x = 50,721,247.32/8,831.84
  6. Step 6: Final answer
    x = 5,743.00

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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.