Home / 8,831.38-12,186.70-4,852.66

Finding the Fourth Proportional to 8,831.38, 12,186.70 and 4,852.66

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Solution

The fourth proportional to 8,831.38, 12,186.70 and 4,852.66 is: 6,696.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.38 : 12,186.70 = 4,852.66 : x
  2. Step 2: Convert to fraction form
    8,831.38/12,186.70 = 4,852.66/x
  3. Step 3: Cross multiply
    8,831.38x = 12,186.70 × 4,852.66
  4. Step 4: Simplify right side
    8,831.38x = 59,137,911.62
  5. Step 5: Solve for x
    x = 59,137,911.62/8,831.38
  6. Step 6: Final answer
    x = 6,696.34

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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.