Home / 12,022.76-16,591.37-6,918.84

Finding the Fourth Proportional to 12,022.76, 16,591.37 and 6,918.84

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Solution

The fourth proportional to 12,022.76, 16,591.37 and 6,918.84 is: 9,547.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.76 : 16,591.37 = 6,918.84 : x
  2. Step 2: Convert to fraction form
    12,022.76/16,591.37 = 6,918.84/x
  3. Step 3: Cross multiply
    12,022.76x = 16,591.37 × 6,918.84
  4. Step 4: Simplify right side
    12,022.76x = 114,792,999.82
  5. Step 5: Solve for x
    x = 114,792,999.82/12,022.76
  6. Step 6: Final answer
    x = 9,547.97

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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.