Home / 12,271.54-16,935.60-6,966.71

Finding the Fourth Proportional to 12,271.54, 16,935.60 and 6,966.71

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Solution

The fourth proportional to 12,271.54, 16,935.60 and 6,966.71 is: 9,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,271.54 : 16,935.60 = 6,966.71 : x
  2. Step 2: Convert to fraction form
    12,271.54/16,935.60 = 6,966.71/x
  3. Step 3: Cross multiply
    12,271.54x = 16,935.60 × 6,966.71
  4. Step 4: Simplify right side
    12,271.54x = 117,985,413.88
  5. Step 5: Solve for x
    x = 117,985,413.88/12,271.54
  6. Step 6: Final answer
    x = 9,614.56

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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.