Home / 8,316.37-11,473.78-5,085.00

Finding the Fourth Proportional to 8,316.37, 11,473.78 and 5,085.00

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Solution

The fourth proportional to 8,316.37, 11,473.78 and 5,085.00 is: 7,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.37 : 11,473.78 = 5,085.00 : x
  2. Step 2: Convert to fraction form
    8,316.37/11,473.78 = 5,085.00/x
  3. Step 3: Cross multiply
    8,316.37x = 11,473.78 × 5,085.00
  4. Step 4: Simplify right side
    8,316.37x = 58,344,186.09
  5. Step 5: Solve for x
    x = 58,344,186.09/8,316.37
  6. Step 6: Final answer
    x = 7,015.58

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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.