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Finding the Fourth Proportional to 8,831.84, 12,187.86 and 4,852.94

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Solution

The fourth proportional to 8,831.84, 12,187.86 and 4,852.94 is: 6,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.84 : 12,187.86 = 4,852.94 : x
  2. Step 2: Convert to fraction form
    8,831.84/12,187.86 = 4,852.94/x
  3. Step 3: Cross multiply
    8,831.84x = 12,187.86 × 4,852.94
  4. Step 4: Simplify right side
    8,831.84x = 59,146,953.31
  5. Step 5: Solve for x
    x = 59,146,953.31/8,831.84
  6. Step 6: Final answer
    x = 6,697.01

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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.