Home / 12,717.25-19,075.56-5,695.63

Finding the Fourth Proportional to 12,717.25, 19,075.56 and 5,695.63

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Solution

The fourth proportional to 12,717.25, 19,075.56 and 5,695.63 is: 8,543.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.25 : 19,075.56 = 5,695.63 : x
  2. Step 2: Convert to fraction form
    12,717.25/19,075.56 = 5,695.63/x
  3. Step 3: Cross multiply
    12,717.25x = 19,075.56 × 5,695.63
  4. Step 4: Simplify right side
    12,717.25x = 108,647,331.80
  5. Step 5: Solve for x
    x = 108,647,331.80/12,717.25
  6. Step 6: Final answer
    x = 8,543.30

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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.