Home / 8,424.75-11,626.16-4,698.75

Finding the Fourth Proportional to 8,424.75, 11,626.16 and 4,698.75

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Solution

The fourth proportional to 8,424.75, 11,626.16 and 4,698.75 is: 6,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.75 : 11,626.16 = 4,698.75 : x
  2. Step 2: Convert to fraction form
    8,424.75/11,626.16 = 4,698.75/x
  3. Step 3: Cross multiply
    8,424.75x = 11,626.16 × 4,698.75
  4. Step 4: Simplify right side
    8,424.75x = 54,628,395.81
  5. Step 5: Solve for x
    x = 54,628,395.81/8,424.75
  6. Step 6: Final answer
    x = 6,484.28

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Half scale
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Double scale
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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.