Home / 11,708.24-17,559.72-3,386.40

Finding the Fourth Proportional to 11,708.24, 17,559.72 and 3,386.40

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Solution

The fourth proportional to 11,708.24, 17,559.72 and 3,386.40 is: 5,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.24 : 17,559.72 = 3,386.40 : x
  2. Step 2: Convert to fraction form
    11,708.24/17,559.72 = 3,386.40/x
  3. Step 3: Cross multiply
    11,708.24x = 17,559.72 × 3,386.40
  4. Step 4: Simplify right side
    11,708.24x = 59,464,235.81
  5. Step 5: Solve for x
    x = 59,464,235.81/11,708.24
  6. Step 6: Final answer
    x = 5,078.84

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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.