Home / 12,525.21-17,284.80-6,860.32

Finding the Fourth Proportional to 12,525.21, 17,284.80 and 6,860.32

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Solution

The fourth proportional to 12,525.21, 17,284.80 and 6,860.32 is: 9,467.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.21 : 17,284.80 = 6,860.32 : x
  2. Step 2: Convert to fraction form
    12,525.21/17,284.80 = 6,860.32/x
  3. Step 3: Cross multiply
    12,525.21x = 17,284.80 × 6,860.32
  4. Step 4: Simplify right side
    12,525.21x = 118,579,222.36
  5. Step 5: Solve for x
    x = 118,579,222.36/12,525.21
  6. Step 6: Final answer
    x = 9,467.24

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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.