Home / 11,785.48-17,643.13-7,613.33

Finding the Fourth Proportional to 11,785.48, 17,643.13 and 7,613.33

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Solution

The fourth proportional to 11,785.48, 17,643.13 and 7,613.33 is: 11,397.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.48 : 17,643.13 = 7,613.33 : x
  2. Step 2: Convert to fraction form
    11,785.48/17,643.13 = 7,613.33/x
  3. Step 3: Cross multiply
    11,785.48x = 17,643.13 × 7,613.33
  4. Step 4: Simplify right side
    11,785.48x = 134,322,970.92
  5. Step 5: Solve for x
    x = 134,322,970.92/11,785.48
  6. Step 6: Final answer
    x = 11,397.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.