Home / 8,831.28-12,187.34-4,852.56

Finding the Fourth Proportional to 8,831.28, 12,187.34 and 4,852.56

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Solution

The fourth proportional to 8,831.28, 12,187.34 and 4,852.56 is: 6,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.28 : 12,187.34 = 4,852.56 : x
  2. Step 2: Convert to fraction form
    8,831.28/12,187.34 = 4,852.56/x
  3. Step 3: Cross multiply
    8,831.28x = 12,187.34 × 4,852.56
  4. Step 4: Simplify right side
    8,831.28x = 59,139,798.59
  5. Step 5: Solve for x
    x = 59,139,798.59/8,831.28
  6. Step 6: Final answer
    x = 6,696.63

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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.