Home / 11,958.36-16,502.60-7,239.28

Finding the Fourth Proportional to 11,958.36, 16,502.60 and 7,239.28

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Solution

The fourth proportional to 11,958.36, 16,502.60 and 7,239.28 is: 9,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.36 : 16,502.60 = 7,239.28 : x
  2. Step 2: Convert to fraction form
    11,958.36/16,502.60 = 7,239.28/x
  3. Step 3: Cross multiply
    11,958.36x = 16,502.60 × 7,239.28
  4. Step 4: Simplify right side
    11,958.36x = 119,466,942.13
  5. Step 5: Solve for x
    x = 119,466,942.13/11,958.36
  6. Step 6: Final answer
    x = 9,990.24

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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.