Home / 8,424.94-11,626.34-4,648.19

Finding the Fourth Proportional to 8,424.94, 11,626.34 and 4,648.19

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Solution

The fourth proportional to 8,424.94, 11,626.34 and 4,648.19 is: 6,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.94 : 11,626.34 = 4,648.19 : x
  2. Step 2: Convert to fraction form
    8,424.94/11,626.34 = 4,648.19/x
  3. Step 3: Cross multiply
    8,424.94x = 11,626.34 × 4,648.19
  4. Step 4: Simplify right side
    8,424.94x = 54,041,390.81
  5. Step 5: Solve for x
    x = 54,041,390.81/8,424.94
  6. Step 6: Final answer
    x = 6,414.46

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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.