Home / 8,055.98-11,111.62-7,785.04

Finding the Fourth Proportional to 8,055.98, 11,111.62 and 7,785.04

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Solution

The fourth proportional to 8,055.98, 11,111.62 and 7,785.04 is: 10,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.98 : 11,111.62 = 7,785.04 : x
  2. Step 2: Convert to fraction form
    8,055.98/11,111.62 = 7,785.04/x
  3. Step 3: Cross multiply
    8,055.98x = 11,111.62 × 7,785.04
  4. Step 4: Simplify right side
    8,055.98x = 86,504,406.16
  5. Step 5: Solve for x
    x = 86,504,406.16/8,055.98
  6. Step 6: Final answer
    x = 10,737.91

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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.