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Finding the Fourth Proportional to 8,841.66, 12,196.86 and 5,483.40

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Solution

The fourth proportional to 8,841.66, 12,196.86 and 5,483.40 is: 7,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.66 : 12,196.86 = 5,483.40 : x
  2. Step 2: Convert to fraction form
    8,841.66/12,196.86 = 5,483.40/x
  3. Step 3: Cross multiply
    8,841.66x = 12,196.86 × 5,483.40
  4. Step 4: Simplify right side
    8,841.66x = 66,880,262.12
  5. Step 5: Solve for x
    x = 66,880,262.12/8,841.66
  6. Step 6: Final answer
    x = 7,564.22

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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.