Home / 12,525.30-17,284.32-6,859.62

Finding the Fourth Proportional to 12,525.30, 17,284.32 and 6,859.62

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Solution

The fourth proportional to 12,525.30, 17,284.32 and 6,859.62 is: 9,465.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.30 : 17,284.32 = 6,859.62 : x
  2. Step 2: Convert to fraction form
    12,525.30/17,284.32 = 6,859.62/x
  3. Step 3: Cross multiply
    12,525.30x = 17,284.32 × 6,859.62
  4. Step 4: Simplify right side
    12,525.30x = 118,563,867.16
  5. Step 5: Solve for x
    x = 118,563,867.16/12,525.30
  6. Step 6: Final answer
    x = 9,465.95

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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.