Home / 11,807.03-16,293.75-7,091.39

Finding the Fourth Proportional to 11,807.03, 16,293.75 and 7,091.39

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Solution

The fourth proportional to 11,807.03, 16,293.75 and 7,091.39 is: 9,786.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.03 : 16,293.75 = 7,091.39 : x
  2. Step 2: Convert to fraction form
    11,807.03/16,293.75 = 7,091.39/x
  3. Step 3: Cross multiply
    11,807.03x = 16,293.75 × 7,091.39
  4. Step 4: Simplify right side
    11,807.03x = 115,545,335.81
  5. Step 5: Solve for x
    x = 115,545,335.81/11,807.03
  6. Step 6: Final answer
    x = 9,786.15

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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.