Home / 10,188.30-15,283.19-3,522.04

Finding the Fourth Proportional to 10,188.30, 15,283.19 and 3,522.04

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Solution

The fourth proportional to 10,188.30, 15,283.19 and 3,522.04 is: 5,283.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.30 : 15,283.19 = 3,522.04 : x
  2. Step 2: Convert to fraction form
    10,188.30/15,283.19 = 3,522.04/x
  3. Step 3: Cross multiply
    10,188.30x = 15,283.19 × 3,522.04
  4. Step 4: Simplify right side
    10,188.30x = 53,828,006.51
  5. Step 5: Solve for x
    x = 53,828,006.51/10,188.30
  6. Step 6: Final answer
    x = 5,283.32

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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.