Home / 12,413.01-17,130.05-6,747.74

Finding the Fourth Proportional to 12,413.01, 17,130.05 and 6,747.74

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Solution

The fourth proportional to 12,413.01, 17,130.05 and 6,747.74 is: 9,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413.01 : 17,130.05 = 6,747.74 : x
  2. Step 2: Convert to fraction form
    12,413.01/17,130.05 = 6,747.74/x
  3. Step 3: Cross multiply
    12,413.01x = 17,130.05 × 6,747.74
  4. Step 4: Simplify right side
    12,413.01x = 115,589,004.20
  5. Step 5: Solve for x
    x = 115,589,004.20/12,413.01
  6. Step 6: Final answer
    x = 9,311.92

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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.