Home / 8,473.21-11,690.23-5,114.75

Finding the Fourth Proportional to 8,473.21, 11,690.23 and 5,114.75

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Solution

The fourth proportional to 8,473.21, 11,690.23 and 5,114.75 is: 7,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.21 : 11,690.23 = 5,114.75 : x
  2. Step 2: Convert to fraction form
    8,473.21/11,690.23 = 5,114.75/x
  3. Step 3: Cross multiply
    8,473.21x = 11,690.23 × 5,114.75
  4. Step 4: Simplify right side
    8,473.21x = 59,792,603.89
  5. Step 5: Solve for x
    x = 59,792,603.89/8,473.21
  6. Step 6: Final answer
    x = 7,056.66

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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.