Home / 12,104.46-18,148.93-4,702.84

Finding the Fourth Proportional to 12,104.46, 18,148.93 and 4,702.84

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Solution

The fourth proportional to 12,104.46, 18,148.93 and 4,702.84 is: 7,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.46 : 18,148.93 = 4,702.84 : x
  2. Step 2: Convert to fraction form
    12,104.46/18,148.93 = 4,702.84/x
  3. Step 3: Cross multiply
    12,104.46x = 18,148.93 × 4,702.84
  4. Step 4: Simplify right side
    12,104.46x = 85,351,513.96
  5. Step 5: Solve for x
    x = 85,351,513.96/12,104.46
  6. Step 6: Final answer
    x = 7,051.25

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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.