Home / 11,895.82-16,400.68-10,235.07

Finding the Fourth Proportional to 11,895.82, 16,400.68 and 10,235.07

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Solution

The fourth proportional to 11,895.82, 16,400.68 and 10,235.07 is: 14,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.82 : 16,400.68 = 10,235.07 : x
  2. Step 2: Convert to fraction form
    11,895.82/16,400.68 = 10,235.07/x
  3. Step 3: Cross multiply
    11,895.82x = 16,400.68 × 10,235.07
  4. Step 4: Simplify right side
    11,895.82x = 167,862,082.26
  5. Step 5: Solve for x
    x = 167,862,082.26/11,895.82
  6. Step 6: Final answer
    x = 14,111.02

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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.