Home / 11,193.36-15,445.73-6,412.39

Finding the Fourth Proportional to 11,193.36, 15,445.73 and 6,412.39

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Solution

The fourth proportional to 11,193.36, 15,445.73 and 6,412.39 is: 8,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.36 : 15,445.73 = 6,412.39 : x
  2. Step 2: Convert to fraction form
    11,193.36/15,445.73 = 6,412.39/x
  3. Step 3: Cross multiply
    11,193.36x = 15,445.73 × 6,412.39
  4. Step 4: Simplify right side
    11,193.36x = 99,043,935.30
  5. Step 5: Solve for x
    x = 99,043,935.30/11,193.36
  6. Step 6: Final answer
    x = 8,848.46

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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.