Home / 12,258.52-18,390.54-4,467.36

Finding the Fourth Proportional to 12,258.52, 18,390.54 and 4,467.36

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Solution

The fourth proportional to 12,258.52, 18,390.54 and 4,467.36 is: 6,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.52 : 18,390.54 = 4,467.36 : x
  2. Step 2: Convert to fraction form
    12,258.52/18,390.54 = 4,467.36/x
  3. Step 3: Cross multiply
    12,258.52x = 18,390.54 × 4,467.36
  4. Step 4: Simplify right side
    12,258.52x = 82,157,162.77
  5. Step 5: Solve for x
    x = 82,157,162.77/12,258.52
  6. Step 6: Final answer
    x = 6,702.05

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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.