Home / 12,341.66-18,513.50-4,942.08

Finding the Fourth Proportional to 12,341.66, 18,513.50 and 4,942.08

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Solution

The fourth proportional to 12,341.66, 18,513.50 and 4,942.08 is: 7,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.66 : 18,513.50 = 4,942.08 : x
  2. Step 2: Convert to fraction form
    12,341.66/18,513.50 = 4,942.08/x
  3. Step 3: Cross multiply
    12,341.66x = 18,513.50 × 4,942.08
  4. Step 4: Simplify right side
    12,341.66x = 91,495,173.37
  5. Step 5: Solve for x
    x = 91,495,173.37/12,341.66
  6. Step 6: Final answer
    x = 7,413.53

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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.