Home / 11,907.19-16,437.15-8,336.17

Finding the Fourth Proportional to 11,907.19, 16,437.15 and 8,336.17

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Solution

The fourth proportional to 11,907.19, 16,437.15 and 8,336.17 is: 11,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.19 : 16,437.15 = 8,336.17 : x
  2. Step 2: Convert to fraction form
    11,907.19/16,437.15 = 8,336.17/x
  3. Step 3: Cross multiply
    11,907.19x = 16,437.15 × 8,336.17
  4. Step 4: Simplify right side
    11,907.19x = 137,022,752.85
  5. Step 5: Solve for x
    x = 137,022,752.85/11,907.19
  6. Step 6: Final answer
    x = 11,507.57

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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.