Home / 13,009.23-17,952.60-7,040.76

Finding the Fourth Proportional to 13,009.23, 17,952.60 and 7,040.76

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Solution

The fourth proportional to 13,009.23, 17,952.60 and 7,040.76 is: 9,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.23 : 17,952.60 = 7,040.76 : x
  2. Step 2: Convert to fraction form
    13,009.23/17,952.60 = 7,040.76/x
  3. Step 3: Cross multiply
    13,009.23x = 17,952.60 × 7,040.76
  4. Step 4: Simplify right side
    13,009.23x = 126,399,947.98
  5. Step 5: Solve for x
    x = 126,399,947.98/13,009.23
  6. Step 6: Final answer
    x = 9,716.17

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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.