Home / 10,413.03-14,371.73-8,191.86

Finding the Fourth Proportional to 10,413.03, 14,371.73 and 8,191.86

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Solution

The fourth proportional to 10,413.03, 14,371.73 and 8,191.86 is: 11,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.03 : 14,371.73 = 8,191.86 : x
  2. Step 2: Convert to fraction form
    10,413.03/14,371.73 = 8,191.86/x
  3. Step 3: Cross multiply
    10,413.03x = 14,371.73 × 8,191.86
  4. Step 4: Simplify right side
    10,413.03x = 117,731,200.12
  5. Step 5: Solve for x
    x = 117,731,200.12/10,413.03
  6. Step 6: Final answer
    x = 11,306.14

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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.