Home / 7,497.21-11,222.24-5,143.46

Finding the Fourth Proportional to 7,497.21, 11,222.24 and 5,143.46

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Solution

The fourth proportional to 7,497.21, 11,222.24 and 5,143.46 is: 7,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,497.21 : 11,222.24 = 5,143.46 : x
  2. Step 2: Convert to fraction form
    7,497.21/11,222.24 = 5,143.46/x
  3. Step 3: Cross multiply
    7,497.21x = 11,222.24 × 5,143.46
  4. Step 4: Simplify right side
    7,497.21x = 57,721,060.72
  5. Step 5: Solve for x
    x = 57,721,060.72/7,497.21
  6. Step 6: Final answer
    x = 7,699.01

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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.