Home / 12,523.20-17,274.36-9,830.38

Finding the Fourth Proportional to 12,523.20, 17,274.36 and 9,830.38

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Solution

The fourth proportional to 12,523.20, 17,274.36 and 9,830.38 is: 13,559.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.20 : 17,274.36 = 9,830.38 : x
  2. Step 2: Convert to fraction form
    12,523.20/17,274.36 = 9,830.38/x
  3. Step 3: Cross multiply
    12,523.20x = 17,274.36 × 9,830.38
  4. Step 4: Simplify right side
    12,523.20x = 169,813,523.06
  5. Step 5: Solve for x
    x = 169,813,523.06/12,523.20
  6. Step 6: Final answer
    x = 13,559.91

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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.