Home / 7,221.07-9,962.96-4,237.03

Finding the Fourth Proportional to 7,221.07, 9,962.96 and 4,237.03

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Solution

The fourth proportional to 7,221.07, 9,962.96 and 4,237.03 is: 5,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.07 : 9,962.96 = 4,237.03 : x
  2. Step 2: Convert to fraction form
    7,221.07/9,962.96 = 4,237.03/x
  3. Step 3: Cross multiply
    7,221.07x = 9,962.96 × 4,237.03
  4. Step 4: Simplify right side
    7,221.07x = 42,213,360.41
  5. Step 5: Solve for x
    x = 42,213,360.41/7,221.07
  6. Step 6: Final answer
    x = 5,845.86

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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.