Home / 10,413.66-15,621.28-3,018.22

Finding the Fourth Proportional to 10,413.66, 15,621.28 and 3,018.22

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Solution

The fourth proportional to 10,413.66, 15,621.28 and 3,018.22 is: 4,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.66 : 15,621.28 = 3,018.22 : x
  2. Step 2: Convert to fraction form
    10,413.66/15,621.28 = 3,018.22/x
  3. Step 3: Cross multiply
    10,413.66x = 15,621.28 × 3,018.22
  4. Step 4: Simplify right side
    10,413.66x = 47,148,459.72
  5. Step 5: Solve for x
    x = 47,148,459.72/10,413.66
  6. Step 6: Final answer
    x = 4,527.56

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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.