Home / 13,008.44-17,951.70-7,040.11

Finding the Fourth Proportional to 13,008.44, 17,951.70 and 7,040.11

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Solution

The fourth proportional to 13,008.44, 17,951.70 and 7,040.11 is: 9,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.44 : 17,951.70 = 7,040.11 : x
  2. Step 2: Convert to fraction form
    13,008.44/17,951.70 = 7,040.11/x
  3. Step 3: Cross multiply
    13,008.44x = 17,951.70 × 7,040.11
  4. Step 4: Simplify right side
    13,008.44x = 126,381,852.93
  5. Step 5: Solve for x
    x = 126,381,852.93/13,008.44
  6. Step 6: Final answer
    x = 9,715.37

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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.