Home / 11,907.24-16,432.11-6,602.55

Finding the Fourth Proportional to 11,907.24, 16,432.11 and 6,602.55

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Solution

The fourth proportional to 11,907.24, 16,432.11 and 6,602.55 is: 9,111.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.24 : 16,432.11 = 6,602.55 : x
  2. Step 2: Convert to fraction form
    11,907.24/16,432.11 = 6,602.55/x
  3. Step 3: Cross multiply
    11,907.24x = 16,432.11 × 6,602.55
  4. Step 4: Simplify right side
    11,907.24x = 108,493,827.88
  5. Step 5: Solve for x
    x = 108,493,827.88/11,907.24
  6. Step 6: Final answer
    x = 9,111.58

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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.