Home / 10,913.44-16,372.20-5,980.36

Finding the Fourth Proportional to 10,913.44, 16,372.20 and 5,980.36

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Solution

The fourth proportional to 10,913.44, 16,372.20 and 5,980.36 is: 8,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.44 : 16,372.20 = 5,980.36 : x
  2. Step 2: Convert to fraction form
    10,913.44/16,372.20 = 5,980.36/x
  3. Step 3: Cross multiply
    10,913.44x = 16,372.20 × 5,980.36
  4. Step 4: Simplify right side
    10,913.44x = 97,911,649.99
  5. Step 5: Solve for x
    x = 97,911,649.99/10,913.44
  6. Step 6: Final answer
    x = 8,971.66

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1.5x scale

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.