Home / 9,718.21-13,410.97-5,411.26

Finding the Fourth Proportional to 9,718.21, 13,410.97 and 5,411.26

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Solution

The fourth proportional to 9,718.21, 13,410.97 and 5,411.26 is: 7,467.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,718.21 : 13,410.97 = 5,411.26 : x
  2. Step 2: Convert to fraction form
    9,718.21/13,410.97 = 5,411.26/x
  3. Step 3: Cross multiply
    9,718.21x = 13,410.97 × 5,411.26
  4. Step 4: Simplify right side
    9,718.21x = 72,570,245.52
  5. Step 5: Solve for x
    x = 72,570,245.52/9,718.21
  6. Step 6: Final answer
    x = 7,467.45

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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.