Home / 8,424.84-11,626.38-4,698.84

Finding the Fourth Proportional to 8,424.84, 11,626.38 and 4,698.84

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Solution

The fourth proportional to 8,424.84, 11,626.38 and 4,698.84 is: 6,484.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.84 : 11,626.38 = 4,698.84 : x
  2. Step 2: Convert to fraction form
    8,424.84/11,626.38 = 4,698.84/x
  3. Step 3: Cross multiply
    8,424.84x = 11,626.38 × 4,698.84
  4. Step 4: Simplify right side
    8,424.84x = 54,630,499.40
  5. Step 5: Solve for x
    x = 54,630,499.40/8,424.84
  6. Step 6: Final answer
    x = 6,484.46

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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.