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Finding the Fourth Proportional to 11,135.70, 16,703.55 and 11,058.90

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Solution

The fourth proportional to 11,135.70, 16,703.55 and 11,058.90 is: 16,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.70 : 16,703.55 = 11,058.90 : x
  2. Step 2: Convert to fraction form
    11,135.70/16,703.55 = 11,058.90/x
  3. Step 3: Cross multiply
    11,135.70x = 16,703.55 × 11,058.90
  4. Step 4: Simplify right side
    11,135.70x = 184,722,889.10
  5. Step 5: Solve for x
    x = 184,722,889.10/11,135.70
  6. Step 6: Final answer
    x = 16,588.35

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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.