Home / 9,255.79-13,851.39-7,570.43

Finding the Fourth Proportional to 9,255.79, 13,851.39 and 7,570.43

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Solution

The fourth proportional to 9,255.79, 13,851.39 and 7,570.43 is: 11,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.79 : 13,851.39 = 7,570.43 : x
  2. Step 2: Convert to fraction form
    9,255.79/13,851.39 = 7,570.43/x
  3. Step 3: Cross multiply
    9,255.79x = 13,851.39 × 7,570.43
  4. Step 4: Simplify right side
    9,255.79x = 104,861,024.80
  5. Step 5: Solve for x
    x = 104,861,024.80/9,255.79
  6. Step 6: Final answer
    x = 11,329.23

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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.