Home / 12,558.59-17,331.39-7,523.63

Finding the Fourth Proportional to 12,558.59, 17,331.39 and 7,523.63

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Solution

The fourth proportional to 12,558.59, 17,331.39 and 7,523.63 is: 10,382.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.59 : 17,331.39 = 7,523.63 : x
  2. Step 2: Convert to fraction form
    12,558.59/17,331.39 = 7,523.63/x
  3. Step 3: Cross multiply
    12,558.59x = 17,331.39 × 7,523.63
  4. Step 4: Simplify right side
    12,558.59x = 130,394,965.75
  5. Step 5: Solve for x
    x = 130,394,965.75/12,558.59
  6. Step 6: Final answer
    x = 10,382.93

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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.