Home / 8,055.19-11,090.90-7,317.08

Finding the Fourth Proportional to 8,055.19, 11,090.90 and 7,317.08

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Solution

The fourth proportional to 8,055.19, 11,090.90 and 7,317.08 is: 10,074.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.19 : 11,090.90 = 7,317.08 : x
  2. Step 2: Convert to fraction form
    8,055.19/11,090.90 = 7,317.08/x
  3. Step 3: Cross multiply
    8,055.19x = 11,090.90 × 7,317.08
  4. Step 4: Simplify right side
    8,055.19x = 81,152,974.84
  5. Step 5: Solve for x
    x = 81,152,974.84/8,055.19
  6. Step 6: Final answer
    x = 10,074.62

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Half scale
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Double scale
Find fourth proportional to 8,056.19, 11,092.28 and 7,318.08
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.