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Finding the Fourth Proportional to 9,308.52, 12,813.66 and 8,041.88

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Solution

The fourth proportional to 9,308.52, 12,813.66 and 8,041.88 is: 11,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.52 : 12,813.66 = 8,041.88 : x
  2. Step 2: Convert to fraction form
    9,308.52/12,813.66 = 8,041.88/x
  3. Step 3: Cross multiply
    9,308.52x = 12,813.66 × 8,041.88
  4. Step 4: Simplify right side
    9,308.52x = 103,045,916.08
  5. Step 5: Solve for x
    x = 103,045,916.08/9,308.52
  6. Step 6: Final answer
    x = 11,070.06

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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.