Home / 9,172.24-12,635.07-7,823.47

Finding the Fourth Proportional to 9,172.24, 12,635.07 and 7,823.47

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Solution

The fourth proportional to 9,172.24, 12,635.07 and 7,823.47 is: 10,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.24 : 12,635.07 = 7,823.47 : x
  2. Step 2: Convert to fraction form
    9,172.24/12,635.07 = 7,823.47/x
  3. Step 3: Cross multiply
    9,172.24x = 12,635.07 × 7,823.47
  4. Step 4: Simplify right side
    9,172.24x = 98,850,091.09
  5. Step 5: Solve for x
    x = 98,850,091.09/9,172.24
  6. Step 6: Final answer
    x = 10,777.09

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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.