Home / 13,076.16-18,047.73-7,769.94

Finding the Fourth Proportional to 13,076.16, 18,047.73 and 7,769.94

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Solution

The fourth proportional to 13,076.16, 18,047.73 and 7,769.94 is: 10,724.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.16 : 18,047.73 = 7,769.94 : x
  2. Step 2: Convert to fraction form
    13,076.16/18,047.73 = 7,769.94/x
  3. Step 3: Cross multiply
    13,076.16x = 18,047.73 × 7,769.94
  4. Step 4: Simplify right side
    13,076.16x = 140,229,779.24
  5. Step 5: Solve for x
    x = 140,229,779.24/13,076.16
  6. Step 6: Final answer
    x = 10,724.08

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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.