Home / 9,268.23-12,777.78-7,668.99

Finding the Fourth Proportional to 9,268.23, 12,777.78 and 7,668.99

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Solution

The fourth proportional to 9,268.23, 12,777.78 and 7,668.99 is: 10,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268.23 : 12,777.78 = 7,668.99 : x
  2. Step 2: Convert to fraction form
    9,268.23/12,777.78 = 7,668.99/x
  3. Step 3: Cross multiply
    9,268.23x = 12,777.78 × 7,668.99
  4. Step 4: Simplify right side
    9,268.23x = 97,992,667.04
  5. Step 5: Solve for x
    x = 97,992,667.04/9,268.23
  6. Step 6: Final answer
    x = 10,572.96

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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.