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Finding the Fourth Proportional to 9,335.52, 12,883.02 and 5,143.77

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Solution

The fourth proportional to 9,335.52, 12,883.02 and 5,143.77 is: 7,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.52 : 12,883.02 = 5,143.77 : x
  2. Step 2: Convert to fraction form
    9,335.52/12,883.02 = 5,143.77/x
  3. Step 3: Cross multiply
    9,335.52x = 12,883.02 × 5,143.77
  4. Step 4: Simplify right side
    9,335.52x = 66,267,272.50
  5. Step 5: Solve for x
    x = 66,267,272.50/9,335.52
  6. Step 6: Final answer
    x = 7,098.40

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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.