Home / 11,980.34-16,549.01-10,862.54

Finding the Fourth Proportional to 11,980.34, 16,549.01 and 10,862.54

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Solution

The fourth proportional to 11,980.34, 16,549.01 and 10,862.54 is: 15,004.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.34 : 16,549.01 = 10,862.54 : x
  2. Step 2: Convert to fraction form
    11,980.34/16,549.01 = 10,862.54/x
  3. Step 3: Cross multiply
    11,980.34x = 16,549.01 × 10,862.54
  4. Step 4: Simplify right side
    11,980.34x = 179,764,146.03
  5. Step 5: Solve for x
    x = 179,764,146.03/11,980.34
  6. Step 6: Final answer
    x = 15,004.93

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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.