Home / 12,496.90-17,245.80-6,831.66

Finding the Fourth Proportional to 12,496.90, 17,245.80 and 6,831.66

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Solution

The fourth proportional to 12,496.90, 17,245.80 and 6,831.66 is: 9,427.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.90 : 17,245.80 = 6,831.66 : x
  2. Step 2: Convert to fraction form
    12,496.90/17,245.80 = 6,831.66/x
  3. Step 3: Cross multiply
    12,496.90x = 17,245.80 × 6,831.66
  4. Step 4: Simplify right side
    12,496.90x = 117,817,442.03
  5. Step 5: Solve for x
    x = 117,817,442.03/12,496.90
  6. Step 6: Final answer
    x = 9,427.73

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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.