Home / 7,247.21-10,004.56-5,455.37

Finding the Fourth Proportional to 7,247.21, 10,004.56 and 5,455.37

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Solution

The fourth proportional to 7,247.21, 10,004.56 and 5,455.37 is: 7,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.21 : 10,004.56 = 5,455.37 : x
  2. Step 2: Convert to fraction form
    7,247.21/10,004.56 = 5,455.37/x
  3. Step 3: Cross multiply
    7,247.21x = 10,004.56 × 5,455.37
  4. Step 4: Simplify right side
    7,247.21x = 54,578,587.86
  5. Step 5: Solve for x
    x = 54,578,587.86/7,247.21
  6. Step 6: Final answer
    x = 7,530.98

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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.