Home / 8,891.31-12,270.03-4,858.19

Finding the Fourth Proportional to 8,891.31, 12,270.03 and 4,858.19

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Solution

The fourth proportional to 8,891.31, 12,270.03 and 4,858.19 is: 6,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,891.31 : 12,270.03 = 4,858.19 : x
  2. Step 2: Convert to fraction form
    8,891.31/12,270.03 = 4,858.19/x
  3. Step 3: Cross multiply
    8,891.31x = 12,270.03 × 4,858.19
  4. Step 4: Simplify right side
    8,891.31x = 59,610,075.70
  5. Step 5: Solve for x
    x = 59,610,075.70/8,891.31
  6. Step 6: Final answer
    x = 6,704.31

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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.