Home / 10,927.20-16,415.10-10,635.60

Finding the Fourth Proportional to 10,927.20, 16,415.10 and 10,635.60

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Solution

The fourth proportional to 10,927.20, 16,415.10 and 10,635.60 is: 15,977.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.20 : 16,415.10 = 10,635.60 : x
  2. Step 2: Convert to fraction form
    10,927.20/16,415.10 = 10,635.60/x
  3. Step 3: Cross multiply
    10,927.20x = 16,415.10 × 10,635.60
  4. Step 4: Simplify right side
    10,927.20x = 174,584,437.56
  5. Step 5: Solve for x
    x = 174,584,437.56/10,927.20
  6. Step 6: Final answer
    x = 15,977.05

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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.