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Finding the Fourth Proportional to 9,388.86, 14,058.99 and 7,435.14

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Solution

The fourth proportional to 9,388.86, 14,058.99 and 7,435.14 is: 11,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,388.86 : 14,058.99 = 7,435.14 : x
  2. Step 2: Convert to fraction form
    9,388.86/14,058.99 = 7,435.14/x
  3. Step 3: Cross multiply
    9,388.86x = 14,058.99 × 7,435.14
  4. Step 4: Simplify right side
    9,388.86x = 104,530,558.91
  5. Step 5: Solve for x
    x = 104,530,558.91/9,388.86
  6. Step 6: Final answer
    x = 11,133.47

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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.