Home / 11,708.09-17,558.48-3,915.08

Finding the Fourth Proportional to 11,708.09, 17,558.48 and 3,915.08

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Solution

The fourth proportional to 11,708.09, 17,558.48 and 3,915.08 is: 5,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.09 : 17,558.48 = 3,915.08 : x
  2. Step 2: Convert to fraction form
    11,708.09/17,558.48 = 3,915.08/x
  3. Step 3: Cross multiply
    11,708.09x = 17,558.48 × 3,915.08
  4. Step 4: Simplify right side
    11,708.09x = 68,742,853.88
  5. Step 5: Solve for x
    x = 68,742,853.88/11,708.09
  6. Step 6: Final answer
    x = 5,871.40

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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.