Home / 7,221.14-9,967.25-4,237.10

Finding the Fourth Proportional to 7,221.14, 9,967.25 and 4,237.10

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Solution

The fourth proportional to 7,221.14, 9,967.25 and 4,237.10 is: 5,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,221.14 : 9,967.25 = 4,237.10 : x
  2. Step 2: Convert to fraction form
    7,221.14/9,967.25 = 4,237.10/x
  3. Step 3: Cross multiply
    7,221.14x = 9,967.25 × 4,237.10
  4. Step 4: Simplify right side
    7,221.14x = 42,232,234.98
  5. Step 5: Solve for x
    x = 42,232,234.98/7,221.14
  6. Step 6: Final answer
    x = 5,848.42

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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.