Home / 13,077.96-18,048.83-7,412.97

Finding the Fourth Proportional to 13,077.96, 18,048.83 and 7,412.97

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Solution

The fourth proportional to 13,077.96, 18,048.83 and 7,412.97 is: 10,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.96 : 18,048.83 = 7,412.97 : x
  2. Step 2: Convert to fraction form
    13,077.96/18,048.83 = 7,412.97/x
  3. Step 3: Cross multiply
    13,077.96x = 18,048.83 × 7,412.97
  4. Step 4: Simplify right side
    13,077.96x = 133,795,364.42
  5. Step 5: Solve for x
    x = 133,795,364.42/13,077.96
  6. Step 6: Final answer
    x = 10,230.60

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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.