Home / 12,184.18-16,798.53-9,993.28

Finding the Fourth Proportional to 12,184.18, 16,798.53 and 9,993.28

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Solution

The fourth proportional to 12,184.18, 16,798.53 and 9,993.28 is: 13,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,184.18 : 16,798.53 = 9,993.28 : x
  2. Step 2: Convert to fraction form
    12,184.18/16,798.53 = 9,993.28/x
  3. Step 3: Cross multiply
    12,184.18x = 16,798.53 × 9,993.28
  4. Step 4: Simplify right side
    12,184.18x = 167,872,413.88
  5. Step 5: Solve for x
    x = 167,872,413.88/12,184.18
  6. Step 6: Final answer
    x = 13,777.90

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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.