Home / 8,424.15-11,624.70-4,838.37

Finding the Fourth Proportional to 8,424.15, 11,624.70 and 4,838.37

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Solution

The fourth proportional to 8,424.15, 11,624.70 and 4,838.37 is: 6,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.15 : 11,624.70 = 4,838.37 : x
  2. Step 2: Convert to fraction form
    8,424.15/11,624.70 = 4,838.37/x
  3. Step 3: Cross multiply
    8,424.15x = 11,624.70 × 4,838.37
  4. Step 4: Simplify right side
    8,424.15x = 56,244,599.74
  5. Step 5: Solve for x
    x = 56,244,599.74/8,424.15
  6. Step 6: Final answer
    x = 6,676.59

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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.