Home / 8,831.60-12,187.36-4,852.71

Finding the Fourth Proportional to 8,831.60, 12,187.36 and 4,852.71

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Solution

The fourth proportional to 8,831.60, 12,187.36 and 4,852.71 is: 6,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.60 : 12,187.36 = 4,852.71 : x
  2. Step 2: Convert to fraction form
    8,831.60/12,187.36 = 4,852.71/x
  3. Step 3: Cross multiply
    8,831.60x = 12,187.36 × 4,852.71
  4. Step 4: Simplify right side
    8,831.60x = 59,141,729.81
  5. Step 5: Solve for x
    x = 59,141,729.81/8,831.60
  6. Step 6: Final answer
    x = 6,696.61

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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.