Home / 13,116.32-19,674.36-5,323.28

Finding the Fourth Proportional to 13,116.32, 19,674.36 and 5,323.28

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Solution

The fourth proportional to 13,116.32, 19,674.36 and 5,323.28 is: 7,984.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.32 : 19,674.36 = 5,323.28 : x
  2. Step 2: Convert to fraction form
    13,116.32/19,674.36 = 5,323.28/x
  3. Step 3: Cross multiply
    13,116.32x = 19,674.36 × 5,323.28
  4. Step 4: Simplify right side
    13,116.32x = 104,732,127.10
  5. Step 5: Solve for x
    x = 104,732,127.10/13,116.32
  6. Step 6: Final answer
    x = 7,984.87

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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.