Home / 12,526.38-17,309.43-8,983.98

Finding the Fourth Proportional to 12,526.38, 17,309.43 and 8,983.98

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Solution

The fourth proportional to 12,526.38, 17,309.43 and 8,983.98 is: 12,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.38 : 17,309.43 = 8,983.98 : x
  2. Step 2: Convert to fraction form
    12,526.38/17,309.43 = 8,983.98/x
  3. Step 3: Cross multiply
    12,526.38x = 17,309.43 × 8,983.98
  4. Step 4: Simplify right side
    12,526.38x = 155,507,572.93
  5. Step 5: Solve for x
    x = 155,507,572.93/12,526.38
  6. Step 6: Final answer
    x = 12,414.41

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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.