Home / 9,215.18-12,716.94-5,023.46

Finding the Fourth Proportional to 9,215.18, 12,716.94 and 5,023.46

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Solution

The fourth proportional to 9,215.18, 12,716.94 and 5,023.46 is: 6,932.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.18 : 12,716.94 = 5,023.46 : x
  2. Step 2: Convert to fraction form
    9,215.18/12,716.94 = 5,023.46/x
  3. Step 3: Cross multiply
    9,215.18x = 12,716.94 × 5,023.46
  4. Step 4: Simplify right side
    9,215.18x = 63,883,039.41
  5. Step 5: Solve for x
    x = 63,883,039.41/9,215.18
  6. Step 6: Final answer
    x = 6,932.37

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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.