Home / 10,405.24-15,605.55-3,008.08

Finding the Fourth Proportional to 10,405.24, 15,605.55 and 3,008.08

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Solution

The fourth proportional to 10,405.24, 15,605.55 and 3,008.08 is: 4,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.24 : 15,605.55 = 3,008.08 : x
  2. Step 2: Convert to fraction form
    10,405.24/15,605.55 = 3,008.08/x
  3. Step 3: Cross multiply
    10,405.24x = 15,605.55 × 3,008.08
  4. Step 4: Simplify right side
    10,405.24x = 46,942,742.84
  5. Step 5: Solve for x
    x = 46,942,742.84/10,405.24
  6. Step 6: Final answer
    x = 4,511.45

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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.