Home / 9,724.14-13,420.44-5,475.24

Finding the Fourth Proportional to 9,724.14, 13,420.44 and 5,475.24

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Solution

The fourth proportional to 9,724.14, 13,420.44 and 5,475.24 is: 7,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.14 : 13,420.44 = 5,475.24 : x
  2. Step 2: Convert to fraction form
    9,724.14/13,420.44 = 5,475.24/x
  3. Step 3: Cross multiply
    9,724.14x = 13,420.44 × 5,475.24
  4. Step 4: Simplify right side
    9,724.14x = 73,480,129.91
  5. Step 5: Solve for x
    x = 73,480,129.91/9,724.14
  6. Step 6: Final answer
    x = 7,556.47

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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.