Home / 9,322.22-13,985.76-3,478.88

Finding the Fourth Proportional to 9,322.22, 13,985.76 and 3,478.88

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Solution

The fourth proportional to 9,322.22, 13,985.76 and 3,478.88 is: 5,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.22 : 13,985.76 = 3,478.88 : x
  2. Step 2: Convert to fraction form
    9,322.22/13,985.76 = 3,478.88/x
  3. Step 3: Cross multiply
    9,322.22x = 13,985.76 × 3,478.88
  4. Step 4: Simplify right side
    9,322.22x = 48,654,710.82
  5. Step 5: Solve for x
    x = 48,654,710.82/9,322.22
  6. Step 6: Final answer
    x = 5,219.22

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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.