Home / 10,040.94-13,856.80-5,564.27

Finding the Fourth Proportional to 10,040.94, 13,856.80 and 5,564.27

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Solution

The fourth proportional to 10,040.94, 13,856.80 and 5,564.27 is: 7,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.94 : 13,856.80 = 5,564.27 : x
  2. Step 2: Convert to fraction form
    10,040.94/13,856.80 = 5,564.27/x
  3. Step 3: Cross multiply
    10,040.94x = 13,856.80 × 5,564.27
  4. Step 4: Simplify right side
    10,040.94x = 77,102,976.54
  5. Step 5: Solve for x
    x = 77,102,976.54/10,040.94
  6. Step 6: Final answer
    x = 7,678.86

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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.