Home / 9,621.10-13,276.99-5,372.23

Finding the Fourth Proportional to 9,621.10, 13,276.99 and 5,372.23

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Solution

The fourth proportional to 9,621.10, 13,276.99 and 5,372.23 is: 7,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.10 : 13,276.99 = 5,372.23 : x
  2. Step 2: Convert to fraction form
    9,621.10/13,276.99 = 5,372.23/x
  3. Step 3: Cross multiply
    9,621.10x = 13,276.99 × 5,372.23
  4. Step 4: Simplify right side
    9,621.10x = 71,327,017.13
  5. Step 5: Solve for x
    x = 71,327,017.13/9,621.10
  6. Step 6: Final answer
    x = 7,413.61

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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.