Home / 9,183.60-12,673.36-4,991.84

Finding the Fourth Proportional to 9,183.60, 12,673.36 and 4,991.84

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Solution

The fourth proportional to 9,183.60, 12,673.36 and 4,991.84 is: 6,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,183.60 : 12,673.36 = 4,991.84 : x
  2. Step 2: Convert to fraction form
    9,183.60/12,673.36 = 4,991.84/x
  3. Step 3: Cross multiply
    9,183.60x = 12,673.36 × 4,991.84
  4. Step 4: Simplify right side
    9,183.60x = 63,263,385.38
  5. Step 5: Solve for x
    x = 63,263,385.38/9,183.60
  6. Step 6: Final answer
    x = 6,888.73

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Half scale
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Double scale
Find fourth proportional to 9,184.60, 12,674.74 and 4,992.84
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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.