Home / 8,831.19-12,187.09-4,852.20

Finding the Fourth Proportional to 8,831.19, 12,187.09 and 4,852.20

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Solution

The fourth proportional to 8,831.19, 12,187.09 and 4,852.20 is: 6,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.19 : 12,187.09 = 4,852.20 : x
  2. Step 2: Convert to fraction form
    8,831.19/12,187.09 = 4,852.20/x
  3. Step 3: Cross multiply
    8,831.19x = 12,187.09 × 4,852.20
  4. Step 4: Simplify right side
    8,831.19x = 59,134,137.16
  5. Step 5: Solve for x
    x = 59,134,137.16/8,831.19
  6. Step 6: Final answer
    x = 6,696.06

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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.