Home / 12,966.99-17,896.14-7,302.84

Finding the Fourth Proportional to 12,966.99, 17,896.14 and 7,302.84

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Solution

The fourth proportional to 12,966.99, 17,896.14 and 7,302.84 is: 10,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.99 : 17,896.14 = 7,302.84 : x
  2. Step 2: Convert to fraction form
    12,966.99/17,896.14 = 7,302.84/x
  3. Step 3: Cross multiply
    12,966.99x = 17,896.14 × 7,302.84
  4. Step 4: Simplify right side
    12,966.99x = 130,692,579.93
  5. Step 5: Solve for x
    x = 130,692,579.93/12,966.99
  6. Step 6: Final answer
    x = 10,078.87

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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.