Home / 8,955.24-12,356.47-6,119.43

Finding the Fourth Proportional to 8,955.24, 12,356.47 and 6,119.43

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Solution

The fourth proportional to 8,955.24, 12,356.47 and 6,119.43 is: 8,443.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.24 : 12,356.47 = 6,119.43 : x
  2. Step 2: Convert to fraction form
    8,955.24/12,356.47 = 6,119.43/x
  3. Step 3: Cross multiply
    8,955.24x = 12,356.47 × 6,119.43
  4. Step 4: Simplify right side
    8,955.24x = 75,614,491.43
  5. Step 5: Solve for x
    x = 75,614,491.43/8,955.24
  6. Step 6: Final answer
    x = 8,443.61

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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.