Home / 12,250.76-16,915.58-9,413.64

Finding the Fourth Proportional to 12,250.76, 16,915.58 and 9,413.64

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Solution

The fourth proportional to 12,250.76, 16,915.58 and 9,413.64 is: 12,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,250.76 : 16,915.58 = 9,413.64 : x
  2. Step 2: Convert to fraction form
    12,250.76/16,915.58 = 9,413.64/x
  3. Step 3: Cross multiply
    12,250.76x = 16,915.58 × 9,413.64
  4. Step 4: Simplify right side
    12,250.76x = 159,237,133.44
  5. Step 5: Solve for x
    x = 159,237,133.44/12,250.76
  6. Step 6: Final answer
    x = 12,998.15

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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.