Home / 11,602.36-15,999.15-6,885.73

Finding the Fourth Proportional to 11,602.36, 15,999.15 and 6,885.73

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Solution

The fourth proportional to 11,602.36, 15,999.15 and 6,885.73 is: 9,495.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,602.36 : 15,999.15 = 6,885.73 : x
  2. Step 2: Convert to fraction form
    11,602.36/15,999.15 = 6,885.73/x
  3. Step 3: Cross multiply
    11,602.36x = 15,999.15 × 6,885.73
  4. Step 4: Simplify right side
    11,602.36x = 110,165,827.13
  5. Step 5: Solve for x
    x = 110,165,827.13/11,602.36
  6. Step 6: Final answer
    x = 9,495.12

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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.