Home / 11,440.36-15,790.16-6,965.59

Finding the Fourth Proportional to 11,440.36, 15,790.16 and 6,965.59

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Solution

The fourth proportional to 11,440.36, 15,790.16 and 6,965.59 is: 9,614.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,440.36 : 15,790.16 = 6,965.59 : x
  2. Step 2: Convert to fraction form
    11,440.36/15,790.16 = 6,965.59/x
  3. Step 3: Cross multiply
    11,440.36x = 15,790.16 × 6,965.59
  4. Step 4: Simplify right side
    11,440.36x = 109,987,780.59
  5. Step 5: Solve for x
    x = 109,987,780.59/11,440.36
  6. Step 6: Final answer
    x = 9,614.01

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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.