Home / 10,929.23-16,390.35-3,532.16

Finding the Fourth Proportional to 10,929.23, 16,390.35 and 3,532.16

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Solution

The fourth proportional to 10,929.23, 16,390.35 and 3,532.16 is: 5,297.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,929.23 : 16,390.35 = 3,532.16 : x
  2. Step 2: Convert to fraction form
    10,929.23/16,390.35 = 3,532.16/x
  3. Step 3: Cross multiply
    10,929.23x = 16,390.35 × 3,532.16
  4. Step 4: Simplify right side
    10,929.23x = 57,893,287.44
  5. Step 5: Solve for x
    x = 57,893,287.44/10,929.23
  6. Step 6: Final answer
    x = 5,297.11

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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.