Home / 7,221.03-10,833.06-3,518.01

Finding the Fourth Proportional to 7,221.03, 10,833.06 and 3,518.01

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Solution

The fourth proportional to 7,221.03, 10,833.06 and 3,518.01 is: 5,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.03 : 10,833.06 = 3,518.01 : x
  2. Step 2: Convert to fraction form
    7,221.03/10,833.06 = 3,518.01/x
  3. Step 3: Cross multiply
    7,221.03x = 10,833.06 × 3,518.01
  4. Step 4: Simplify right side
    7,221.03x = 38,110,813.41
  5. Step 5: Solve for x
    x = 38,110,813.41/7,221.03
  6. Step 6: Final answer
    x = 5,277.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.