Home / 11,999.30-16,559.48-6,695.15

Finding the Fourth Proportional to 11,999.30, 16,559.48 and 6,695.15

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Solution

The fourth proportional to 11,999.30, 16,559.48 and 6,695.15 is: 9,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,999.30 : 16,559.48 = 6,695.15 : x
  2. Step 2: Convert to fraction form
    11,999.30/16,559.48 = 6,695.15/x
  3. Step 3: Cross multiply
    11,999.30x = 16,559.48 × 6,695.15
  4. Step 4: Simplify right side
    11,999.30x = 110,868,086.25
  5. Step 5: Solve for x
    x = 110,868,086.25/11,999.30
  6. Step 6: Final answer
    x = 9,239.55

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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.