Home / 12,082.66-16,690.04-10,072.64

Finding the Fourth Proportional to 12,082.66, 16,690.04 and 10,072.64

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Solution

The fourth proportional to 12,082.66, 16,690.04 and 10,072.64 is: 13,913.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,082.66 : 16,690.04 = 10,072.64 : x
  2. Step 2: Convert to fraction form
    12,082.66/16,690.04 = 10,072.64/x
  3. Step 3: Cross multiply
    12,082.66x = 16,690.04 × 10,072.64
  4. Step 4: Simplify right side
    12,082.66x = 168,112,764.51
  5. Step 5: Solve for x
    x = 168,112,764.51/12,082.66
  6. Step 6: Final answer
    x = 13,913.56

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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.