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Finding the Fourth Proportional to 8,831.00, 12,187.08 and 4,852.47

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Solution

The fourth proportional to 8,831.00, 12,187.08 and 4,852.47 is: 6,696.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.00 : 12,187.08 = 4,852.47 : x
  2. Step 2: Convert to fraction form
    8,831.00/12,187.08 = 4,852.47/x
  3. Step 3: Cross multiply
    8,831.00x = 12,187.08 × 4,852.47
  4. Step 4: Simplify right side
    8,831.00x = 59,137,440.09
  5. Step 5: Solve for x
    x = 59,137,440.09/8,831.00
  6. Step 6: Final answer
    x = 6,696.58

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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.