Home / 12,258.85-18,391.01-4,467.67

Finding the Fourth Proportional to 12,258.85, 18,391.01 and 4,467.67

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Solution

The fourth proportional to 12,258.85, 18,391.01 and 4,467.67 is: 6,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258.85 : 18,391.01 = 4,467.67 : x
  2. Step 2: Convert to fraction form
    12,258.85/18,391.01 = 4,467.67/x
  3. Step 3: Cross multiply
    12,258.85x = 18,391.01 × 4,467.67
  4. Step 4: Simplify right side
    12,258.85x = 82,164,871.69
  5. Step 5: Solve for x
    x = 82,164,871.69/12,258.85
  6. Step 6: Final answer
    x = 6,702.49

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1.5x scale

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.