Home / 10,413.01-15,615.64-3,747.72

Finding the Fourth Proportional to 10,413.01, 15,615.64 and 3,747.72

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Solution

The fourth proportional to 10,413.01, 15,615.64 and 3,747.72 is: 5,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.01 : 15,615.64 = 3,747.72 : x
  2. Step 2: Convert to fraction form
    10,413.01/15,615.64 = 3,747.72/x
  3. Step 3: Cross multiply
    10,413.01x = 15,615.64 × 3,747.72
  4. Step 4: Simplify right side
    10,413.01x = 58,523,000.67
  5. Step 5: Solve for x
    x = 58,523,000.67/10,413.01
  6. Step 6: Final answer
    x = 5,620.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.