Home / 12,146.74-16,762.56-6,841.66

Finding the Fourth Proportional to 12,146.74, 16,762.56 and 6,841.66

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Solution

The fourth proportional to 12,146.74, 16,762.56 and 6,841.66 is: 9,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.74 : 16,762.56 = 6,841.66 : x
  2. Step 2: Convert to fraction form
    12,146.74/16,762.56 = 6,841.66/x
  3. Step 3: Cross multiply
    12,146.74x = 16,762.56 × 6,841.66
  4. Step 4: Simplify right side
    12,146.74x = 114,683,736.25
  5. Step 5: Solve for x
    x = 114,683,736.25/12,146.74
  6. Step 6: Final answer
    x = 9,441.52

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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.