Home / 7,413.72-11,120.65-2,483.40

Finding the Fourth Proportional to 7,413.72, 11,120.65 and 2,483.40

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Solution

The fourth proportional to 7,413.72, 11,120.65 and 2,483.40 is: 3,725.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.72 : 11,120.65 = 2,483.40 : x
  2. Step 2: Convert to fraction form
    7,413.72/11,120.65 = 2,483.40/x
  3. Step 3: Cross multiply
    7,413.72x = 11,120.65 × 2,483.40
  4. Step 4: Simplify right side
    7,413.72x = 27,617,022.21
  5. Step 5: Solve for x
    x = 27,617,022.21/7,413.72
  6. Step 6: Final answer
    x = 3,725.12

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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.