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Finding the Fourth Proportional to 8,795.40, 12,137.49 and 4,816.44

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Solution

The fourth proportional to 8,795.40, 12,137.49 and 4,816.44 is: 6,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.40 : 12,137.49 = 4,816.44 : x
  2. Step 2: Convert to fraction form
    8,795.40/12,137.49 = 4,816.44/x
  3. Step 3: Cross multiply
    8,795.40x = 12,137.49 × 4,816.44
  4. Step 4: Simplify right side
    8,795.40x = 58,459,492.34
  5. Step 5: Solve for x
    x = 58,459,492.34/8,795.40
  6. Step 6: Final answer
    x = 6,646.60

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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.