Home / 9,214.43-12,718.59-5,237.72

Finding the Fourth Proportional to 9,214.43, 12,718.59 and 5,237.72

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Solution

The fourth proportional to 9,214.43, 12,718.59 and 5,237.72 is: 7,229.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.43 : 12,718.59 = 5,237.72 : x
  2. Step 2: Convert to fraction form
    9,214.43/12,718.59 = 5,237.72/x
  3. Step 3: Cross multiply
    9,214.43x = 12,718.59 × 5,237.72
  4. Step 4: Simplify right side
    9,214.43x = 66,616,413.21
  5. Step 5: Solve for x
    x = 66,616,413.21/9,214.43
  6. Step 6: Final answer
    x = 7,229.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.