Home / 9,440.12-13,024.32-5,247.56

Finding the Fourth Proportional to 9,440.12, 13,024.32 and 5,247.56

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Solution

The fourth proportional to 9,440.12, 13,024.32 and 5,247.56 is: 7,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.12 : 13,024.32 = 5,247.56 : x
  2. Step 2: Convert to fraction form
    9,440.12/13,024.32 = 5,247.56/x
  3. Step 3: Cross multiply
    9,440.12x = 13,024.32 × 5,247.56
  4. Step 4: Simplify right side
    9,440.12x = 68,345,900.66
  5. Step 5: Solve for x
    x = 68,345,900.66/9,440.12
  6. Step 6: Final answer
    x = 7,239.94

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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.