Home / 11,904.45-16,436.16-10,641.47

Finding the Fourth Proportional to 11,904.45, 16,436.16 and 10,641.47

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Solution

The fourth proportional to 11,904.45, 16,436.16 and 10,641.47 is: 14,692.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.45 : 16,436.16 = 10,641.47 : x
  2. Step 2: Convert to fraction form
    11,904.45/16,436.16 = 10,641.47/x
  3. Step 3: Cross multiply
    11,904.45x = 16,436.16 × 10,641.47
  4. Step 4: Simplify right side
    11,904.45x = 174,904,903.56
  5. Step 5: Solve for x
    x = 174,904,903.56/11,904.45
  6. Step 6: Final answer
    x = 14,692.40

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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.