Home / 11,999.06-16,558.64-6,693.88

Finding the Fourth Proportional to 11,999.06, 16,558.64 and 6,693.88

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Solution

The fourth proportional to 11,999.06, 16,558.64 and 6,693.88 is: 9,237.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.06 : 16,558.64 = 6,693.88 : x
  2. Step 2: Convert to fraction form
    11,999.06/16,558.64 = 6,693.88/x
  3. Step 3: Cross multiply
    11,999.06x = 16,558.64 × 6,693.88
  4. Step 4: Simplify right side
    11,999.06x = 110,841,549.12
  5. Step 5: Solve for x
    x = 110,841,549.12/11,999.06
  6. Step 6: Final answer
    x = 9,237.52

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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.