Home / 11,707.58-17,561.38-4,782.08

Finding the Fourth Proportional to 11,707.58, 17,561.38 and 4,782.08

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Solution

The fourth proportional to 11,707.58, 17,561.38 and 4,782.08 is: 7,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707.58 : 17,561.38 = 4,782.08 : x
  2. Step 2: Convert to fraction form
    11,707.58/17,561.38 = 4,782.08/x
  3. Step 3: Cross multiply
    11,707.58x = 17,561.38 × 4,782.08
  4. Step 4: Simplify right side
    11,707.58x = 83,979,924.07
  5. Step 5: Solve for x
    x = 83,979,924.07/11,707.58
  6. Step 6: Final answer
    x = 7,173.12

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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.