Home / 8,185.16-11,294.70-4,647.76

Finding the Fourth Proportional to 8,185.16, 11,294.70 and 4,647.76

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Solution

The fourth proportional to 8,185.16, 11,294.70 and 4,647.76 is: 6,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.16 : 11,294.70 = 4,647.76 : x
  2. Step 2: Convert to fraction form
    8,185.16/11,294.70 = 4,647.76/x
  3. Step 3: Cross multiply
    8,185.16x = 11,294.70 × 4,647.76
  4. Step 4: Simplify right side
    8,185.16x = 52,495,054.87
  5. Step 5: Solve for x
    x = 52,495,054.87/8,185.16
  6. Step 6: Final answer
    x = 6,413.44

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Half scale
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Double scale
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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.