Home / 11,316.83-16,968.42-5,075.71

Finding the Fourth Proportional to 11,316.83, 16,968.42 and 5,075.71

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Solution

The fourth proportional to 11,316.83, 16,968.42 and 5,075.71 is: 7,610.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.83 : 16,968.42 = 5,075.71 : x
  2. Step 2: Convert to fraction form
    11,316.83/16,968.42 = 5,075.71/x
  3. Step 3: Cross multiply
    11,316.83x = 16,968.42 × 5,075.71
  4. Step 4: Simplify right side
    11,316.83x = 86,126,736.66
  5. Step 5: Solve for x
    x = 86,126,736.66/11,316.83
  6. Step 6: Final answer
    x = 7,610.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.