Home / 10,413.30-15,622.68-3,018.44

Finding the Fourth Proportional to 10,413.30, 15,622.68 and 3,018.44

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Solution

The fourth proportional to 10,413.30, 15,622.68 and 3,018.44 is: 4,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.30 : 15,622.68 = 3,018.44 : x
  2. Step 2: Convert to fraction form
    10,413.30/15,622.68 = 3,018.44/x
  3. Step 3: Cross multiply
    10,413.30x = 15,622.68 × 3,018.44
  4. Step 4: Simplify right side
    10,413.30x = 47,156,122.22
  5. Step 5: Solve for x
    x = 47,156,122.22/10,413.30
  6. Step 6: Final answer
    x = 4,528.45

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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.