Home / 7,402.65-11,102.13-2,208.51

Finding the Fourth Proportional to 7,402.65, 11,102.13 and 2,208.51

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Solution

The fourth proportional to 7,402.65, 11,102.13 and 2,208.51 is: 3,312.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.65 : 11,102.13 = 2,208.51 : x
  2. Step 2: Convert to fraction form
    7,402.65/11,102.13 = 2,208.51/x
  3. Step 3: Cross multiply
    7,402.65x = 11,102.13 × 2,208.51
  4. Step 4: Simplify right side
    7,402.65x = 24,519,165.13
  5. Step 5: Solve for x
    x = 24,519,165.13/7,402.65
  6. Step 6: Final answer
    x = 3,312.21

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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.