Home / 13,087.28-18,058.47-8,052.32

Finding the Fourth Proportional to 13,087.28, 18,058.47 and 8,052.32

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Solution

The fourth proportional to 13,087.28, 18,058.47 and 8,052.32 is: 11,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.28 : 18,058.47 = 8,052.32 : x
  2. Step 2: Convert to fraction form
    13,087.28/18,058.47 = 8,052.32/x
  3. Step 3: Cross multiply
    13,087.28x = 18,058.47 × 8,052.32
  4. Step 4: Simplify right side
    13,087.28x = 145,412,579.15
  5. Step 5: Solve for x
    x = 145,412,579.15/13,087.28
  6. Step 6: Final answer
    x = 11,110.99

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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.