Home / 8,424.12-11,626.38-4,886.58

Finding the Fourth Proportional to 8,424.12, 11,626.38 and 4,886.58

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Solution

The fourth proportional to 8,424.12, 11,626.38 and 4,886.58 is: 6,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.12 : 11,626.38 = 4,886.58 : x
  2. Step 2: Convert to fraction form
    8,424.12/11,626.38 = 4,886.58/x
  3. Step 3: Cross multiply
    8,424.12x = 11,626.38 × 4,886.58
  4. Step 4: Simplify right side
    8,424.12x = 56,813,235.98
  5. Step 5: Solve for x
    x = 56,813,235.98/8,424.12
  6. Step 6: Final answer
    x = 6,744.12

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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.