Home / 8,280.76-11,429.70-4,924.84

Finding the Fourth Proportional to 8,280.76, 11,429.70 and 4,924.84

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Solution

The fourth proportional to 8,280.76, 11,429.70 and 4,924.84 is: 6,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,280.76 : 11,429.70 = 4,924.84 : x
  2. Step 2: Convert to fraction form
    8,280.76/11,429.70 = 4,924.84/x
  3. Step 3: Cross multiply
    8,280.76x = 11,429.70 × 4,924.84
  4. Step 4: Simplify right side
    8,280.76x = 56,289,443.75
  5. Step 5: Solve for x
    x = 56,289,443.75/8,280.76
  6. Step 6: Final answer
    x = 6,797.62

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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.