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Finding the Fourth Proportional to 8,831.04, 12,187 and 4,852.42

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Solution

The fourth proportional to 8,831.04, 12,187 and 4,852.42 is: 6,696.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.04 : 12,187 = 4,852.42 : x
  2. Step 2: Convert to fraction form
    8,831.04/12,187 = 4,852.42/x
  3. Step 3: Cross multiply
    8,831.04x = 12,187 × 4,852.42
  4. Step 4: Simplify right side
    8,831.04x = 59,136,442.54
  5. Step 5: Solve for x
    x = 59,136,442.54/8,831.04
  6. Step 6: Final answer
    x = 6,696.43

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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.