Home / 9,521.82-13,140.09-5,273.10

Finding the Fourth Proportional to 9,521.82, 13,140.09 and 5,273.10

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Solution

The fourth proportional to 9,521.82, 13,140.09 and 5,273.10 is: 7,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.82 : 13,140.09 = 5,273.10 : x
  2. Step 2: Convert to fraction form
    9,521.82/13,140.09 = 5,273.10/x
  3. Step 3: Cross multiply
    9,521.82x = 13,140.09 × 5,273.10
  4. Step 4: Simplify right side
    9,521.82x = 69,289,008.58
  5. Step 5: Solve for x
    x = 69,289,008.58/9,521.82
  6. Step 6: Final answer
    x = 7,276.87

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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.