Home / 9,607.46-13,257.78-5,415.44

Finding the Fourth Proportional to 9,607.46, 13,257.78 and 5,415.44

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Solution

The fourth proportional to 9,607.46, 13,257.78 and 5,415.44 is: 7,473.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,607.46 : 13,257.78 = 5,415.44 : x
  2. Step 2: Convert to fraction form
    9,607.46/13,257.78 = 5,415.44/x
  3. Step 3: Cross multiply
    9,607.46x = 13,257.78 × 5,415.44
  4. Step 4: Simplify right side
    9,607.46x = 71,796,712.12
  5. Step 5: Solve for x
    x = 71,796,712.12/9,607.46
  6. Step 6: Final answer
    x = 7,473.02

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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.