Home / 8,235.93-11,364.85-4,878.18

Finding the Fourth Proportional to 8,235.93, 11,364.85 and 4,878.18

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Solution

The fourth proportional to 8,235.93, 11,364.85 and 4,878.18 is: 6,731.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.93 : 11,364.85 = 4,878.18 : x
  2. Step 2: Convert to fraction form
    8,235.93/11,364.85 = 4,878.18/x
  3. Step 3: Cross multiply
    8,235.93x = 11,364.85 × 4,878.18
  4. Step 4: Simplify right side
    8,235.93x = 55,439,783.97
  5. Step 5: Solve for x
    x = 55,439,783.97/8,235.93
  6. Step 6: Final answer
    x = 6,731.45

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Half scale
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Double scale
Find fourth proportional to 8,236.93, 11,366.23 and 4,879.18
Similar ratio
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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.