Home / 11,971.08-17,953.74-5,303.91

Finding the Fourth Proportional to 11,971.08, 17,953.74 and 5,303.91

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Solution

The fourth proportional to 11,971.08, 17,953.74 and 5,303.91 is: 7,954.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.08 : 17,953.74 = 5,303.91 : x
  2. Step 2: Convert to fraction form
    11,971.08/17,953.74 = 5,303.91/x
  3. Step 3: Cross multiply
    11,971.08x = 17,953.74 × 5,303.91
  4. Step 4: Simplify right side
    11,971.08x = 95,225,021.12
  5. Step 5: Solve for x
    x = 95,225,021.12/11,971.08
  6. Step 6: Final answer
    x = 7,954.59

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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.