Home / 13,082.40-18,058.48-8,053.36

Finding the Fourth Proportional to 13,082.40, 18,058.48 and 8,053.36

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Solution

The fourth proportional to 13,082.40, 18,058.48 and 8,053.36 is: 11,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082.40 : 18,058.48 = 8,053.36 : x
  2. Step 2: Convert to fraction form
    13,082.40/18,058.48 = 8,053.36/x
  3. Step 3: Cross multiply
    13,082.40x = 18,058.48 × 8,053.36
  4. Step 4: Simplify right side
    13,082.40x = 145,431,440.49
  5. Step 5: Solve for x
    x = 145,431,440.49/13,082.40
  6. Step 6: Final answer
    x = 11,116.57

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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.