Home / 7,938.57-11,908.23-6,549.33

Finding the Fourth Proportional to 7,938.57, 11,908.23 and 6,549.33

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Solution

The fourth proportional to 7,938.57, 11,908.23 and 6,549.33 is: 9,824.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.57 : 11,908.23 = 6,549.33 : x
  2. Step 2: Convert to fraction form
    7,938.57/11,908.23 = 6,549.33/x
  3. Step 3: Cross multiply
    7,938.57x = 11,908.23 × 6,549.33
  4. Step 4: Simplify right side
    7,938.57x = 77,990,927.99
  5. Step 5: Solve for x
    x = 77,990,927.99/7,938.57
  6. Step 6: Final answer
    x = 9,824.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.