Home / 11,870.72-17,816.96-6,031.36

Finding the Fourth Proportional to 11,870.72, 17,816.96 and 6,031.36

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Solution

The fourth proportional to 11,870.72, 17,816.96 and 6,031.36 is: 9,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.72 : 17,816.96 = 6,031.36 : x
  2. Step 2: Convert to fraction form
    11,870.72/17,816.96 = 6,031.36/x
  3. Step 3: Cross multiply
    11,870.72x = 17,816.96 × 6,031.36
  4. Step 4: Simplify right side
    11,870.72x = 107,460,499.87
  5. Step 5: Solve for x
    x = 107,460,499.87/11,870.72
  6. Step 6: Final answer
    x = 9,052.57

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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.