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Finding the Fourth Proportional to 10,893.16, 16,335.42 and 5,703.40

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Solution

The fourth proportional to 10,893.16, 16,335.42 and 5,703.40 is: 8,552.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.16 : 16,335.42 = 5,703.40 : x
  2. Step 2: Convert to fraction form
    10,893.16/16,335.42 = 5,703.40/x
  3. Step 3: Cross multiply
    10,893.16x = 16,335.42 × 5,703.40
  4. Step 4: Simplify right side
    10,893.16x = 93,167,434.43
  5. Step 5: Solve for x
    x = 93,167,434.43/10,893.16
  6. Step 6: Final answer
    x = 8,552.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.