Home / 9,021.39-13,466.03-7,956.15

Finding the Fourth Proportional to 9,021.39, 13,466.03 and 7,956.15

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Solution

The fourth proportional to 9,021.39, 13,466.03 and 7,956.15 is: 11,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.39 : 13,466.03 = 7,956.15 : x
  2. Step 2: Convert to fraction form
    9,021.39/13,466.03 = 7,956.15/x
  3. Step 3: Cross multiply
    9,021.39x = 13,466.03 × 7,956.15
  4. Step 4: Simplify right side
    9,021.39x = 107,137,747.58
  5. Step 5: Solve for x
    x = 107,137,747.58/9,021.39
  6. Step 6: Final answer
    x = 11,875.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.