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Finding the Fourth Proportional to 11,487.58, 15,852.06 and 6,383.36

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Solution

The fourth proportional to 11,487.58, 15,852.06 and 6,383.36 is: 8,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.58 : 15,852.06 = 6,383.36 : x
  2. Step 2: Convert to fraction form
    11,487.58/15,852.06 = 6,383.36/x
  3. Step 3: Cross multiply
    11,487.58x = 15,852.06 × 6,383.36
  4. Step 4: Simplify right side
    11,487.58x = 101,189,445.35
  5. Step 5: Solve for x
    x = 101,189,445.35/11,487.58
  6. Step 6: Final answer
    x = 8,808.60

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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.