Home / 9,519.54-13,136.49-5,328.06

Finding the Fourth Proportional to 9,519.54, 13,136.49 and 5,328.06

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Solution

The fourth proportional to 9,519.54, 13,136.49 and 5,328.06 is: 7,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,519.54 : 13,136.49 = 5,328.06 : x
  2. Step 2: Convert to fraction form
    9,519.54/13,136.49 = 5,328.06/x
  3. Step 3: Cross multiply
    9,519.54x = 13,136.49 × 5,328.06
  4. Step 4: Simplify right side
    9,519.54x = 69,992,006.91
  5. Step 5: Solve for x
    x = 69,992,006.91/9,519.54
  6. Step 6: Final answer
    x = 7,352.46

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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.