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Finding the Fourth Proportional to 8,830.92, 12,186.90 and 4,852.25

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Solution

The fourth proportional to 8,830.92, 12,186.90 and 4,852.25 is: 6,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.92 : 12,186.90 = 4,852.25 : x
  2. Step 2: Convert to fraction form
    8,830.92/12,186.90 = 4,852.25/x
  3. Step 3: Cross multiply
    8,830.92x = 12,186.90 × 4,852.25
  4. Step 4: Simplify right side
    8,830.92x = 59,133,824.59
  5. Step 5: Solve for x
    x = 59,133,824.59/8,830.92
  6. Step 6: Final answer
    x = 6,696.22

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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.