Home / 11,928.32-17,894.47-4,031.58

Finding the Fourth Proportional to 11,928.32, 17,894.47 and 4,031.58

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Solution

The fourth proportional to 11,928.32, 17,894.47 and 4,031.58 is: 6,048.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.32 : 17,894.47 = 4,031.58 : x
  2. Step 2: Convert to fraction form
    11,928.32/17,894.47 = 4,031.58/x
  3. Step 3: Cross multiply
    11,928.32x = 17,894.47 × 4,031.58
  4. Step 4: Simplify right side
    11,928.32x = 72,142,987.36
  5. Step 5: Solve for x
    x = 72,142,987.36/11,928.32
  6. Step 6: Final answer
    x = 6,048.04

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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.