Home / 10,317.68-15,477.68-3,295.20

Finding the Fourth Proportional to 10,317.68, 15,477.68 and 3,295.20

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Solution

The fourth proportional to 10,317.68, 15,477.68 and 3,295.20 is: 4,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.68 : 15,477.68 = 3,295.20 : x
  2. Step 2: Convert to fraction form
    10,317.68/15,477.68 = 3,295.20/x
  3. Step 3: Cross multiply
    10,317.68x = 15,477.68 × 3,295.20
  4. Step 4: Simplify right side
    10,317.68x = 51,002,051.14
  5. Step 5: Solve for x
    x = 51,002,051.14/10,317.68
  6. Step 6: Final answer
    x = 4,943.17

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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.