Home / 9,247.24-12,762.39-5,269.78

Finding the Fourth Proportional to 9,247.24, 12,762.39 and 5,269.78

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Solution

The fourth proportional to 9,247.24, 12,762.39 and 5,269.78 is: 7,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.24 : 12,762.39 = 5,269.78 : x
  2. Step 2: Convert to fraction form
    9,247.24/12,762.39 = 5,269.78/x
  3. Step 3: Cross multiply
    9,247.24x = 12,762.39 × 5,269.78
  4. Step 4: Simplify right side
    9,247.24x = 67,254,987.57
  5. Step 5: Solve for x
    x = 67,254,987.57/9,247.24
  6. Step 6: Final answer
    x = 7,272.98

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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.