Home / 11,707.83-17,561.76-4,782.33

Finding the Fourth Proportional to 11,707.83, 17,561.76 and 4,782.33

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Solution

The fourth proportional to 11,707.83, 17,561.76 and 4,782.33 is: 7,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.83 : 17,561.76 = 4,782.33 : x
  2. Step 2: Convert to fraction form
    11,707.83/17,561.76 = 4,782.33/x
  3. Step 3: Cross multiply
    11,707.83x = 17,561.76 × 4,782.33
  4. Step 4: Simplify right side
    11,707.83x = 83,986,131.70
  5. Step 5: Solve for x
    x = 83,986,131.70/11,707.83
  6. Step 6: Final answer
    x = 7,173.50

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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.