Home / 10,987.79-16,483.73-3,592.64

Finding the Fourth Proportional to 10,987.79, 16,483.73 and 3,592.64

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Solution

The fourth proportional to 10,987.79, 16,483.73 and 3,592.64 is: 5,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987.79 : 16,483.73 = 3,592.64 : x
  2. Step 2: Convert to fraction form
    10,987.79/16,483.73 = 3,592.64/x
  3. Step 3: Cross multiply
    10,987.79x = 16,483.73 × 3,592.64
  4. Step 4: Simplify right side
    10,987.79x = 59,220,157.94
  5. Step 5: Solve for x
    x = 59,220,157.94/10,987.79
  6. Step 6: Final answer
    x = 5,389.63

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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.