Home / 10,619.21-14,652.79-5,903.37

Finding the Fourth Proportional to 10,619.21, 14,652.79 and 5,903.37

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Solution

The fourth proportional to 10,619.21, 14,652.79 and 5,903.37 is: 8,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.21 : 14,652.79 = 5,903.37 : x
  2. Step 2: Convert to fraction form
    10,619.21/14,652.79 = 5,903.37/x
  3. Step 3: Cross multiply
    10,619.21x = 14,652.79 × 5,903.37
  4. Step 4: Simplify right side
    10,619.21x = 86,500,811.39
  5. Step 5: Solve for x
    x = 86,500,811.39/10,619.21
  6. Step 6: Final answer
    x = 8,145.69

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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.