Home / 12,966.54-17,893.67-7,661.24

Finding the Fourth Proportional to 12,966.54, 17,893.67 and 7,661.24

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Solution

The fourth proportional to 12,966.54, 17,893.67 and 7,661.24 is: 10,572.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.54 : 17,893.67 = 7,661.24 : x
  2. Step 2: Convert to fraction form
    12,966.54/17,893.67 = 7,661.24/x
  3. Step 3: Cross multiply
    12,966.54x = 17,893.67 × 7,661.24
  4. Step 4: Simplify right side
    12,966.54x = 137,087,700.35
  5. Step 5: Solve for x
    x = 137,087,700.35/12,966.54
  6. Step 6: Final answer
    x = 10,572.42

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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.