Home / 7,666.20-11,497.32-3,664.08

Finding the Fourth Proportional to 7,666.20, 11,497.32 and 3,664.08

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Solution

The fourth proportional to 7,666.20, 11,497.32 and 3,664.08 is: 5,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.20 : 11,497.32 = 3,664.08 : x
  2. Step 2: Convert to fraction form
    7,666.20/11,497.32 = 3,664.08/x
  3. Step 3: Cross multiply
    7,666.20x = 11,497.32 × 3,664.08
  4. Step 4: Simplify right side
    7,666.20x = 42,127,100.27
  5. Step 5: Solve for x
    x = 42,127,100.27/7,666.20
  6. Step 6: Final answer
    x = 5,495.17

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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.