Home / 8,851.23-12,212.94-5,075.59

Finding the Fourth Proportional to 8,851.23, 12,212.94 and 5,075.59

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Solution

The fourth proportional to 8,851.23, 12,212.94 and 5,075.59 is: 7,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,851.23 : 12,212.94 = 5,075.59 : x
  2. Step 2: Convert to fraction form
    8,851.23/12,212.94 = 5,075.59/x
  3. Step 3: Cross multiply
    8,851.23x = 12,212.94 × 5,075.59
  4. Step 4: Simplify right side
    8,851.23x = 61,987,876.13
  5. Step 5: Solve for x
    x = 61,987,876.13/8,851.23
  6. Step 6: Final answer
    x = 7,003.31

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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.