Home / 11,977.59-16,528.02-6,672.30

Finding the Fourth Proportional to 11,977.59, 16,528.02 and 6,672.30

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Solution

The fourth proportional to 11,977.59, 16,528.02 and 6,672.30 is: 9,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,977.59 : 16,528.02 = 6,672.30 : x
  2. Step 2: Convert to fraction form
    11,977.59/16,528.02 = 6,672.30/x
  3. Step 3: Cross multiply
    11,977.59x = 16,528.02 × 6,672.30
  4. Step 4: Simplify right side
    11,977.59x = 110,279,907.85
  5. Step 5: Solve for x
    x = 110,279,907.85/11,977.59
  6. Step 6: Final answer
    x = 9,207.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.