Home / 12,465.69-18,702.15-4,675.11

Finding the Fourth Proportional to 12,465.69, 18,702.15 and 4,675.11

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Solution

The fourth proportional to 12,465.69, 18,702.15 and 4,675.11 is: 7,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,465.69 : 18,702.15 = 4,675.11 : x
  2. Step 2: Convert to fraction form
    12,465.69/18,702.15 = 4,675.11/x
  3. Step 3: Cross multiply
    12,465.69x = 18,702.15 × 4,675.11
  4. Step 4: Simplify right side
    12,465.69x = 87,434,608.49
  5. Step 5: Solve for x
    x = 87,434,608.49/12,465.69
  6. Step 6: Final answer
    x = 7,014.02

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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.