Home / 11,704.32-16,145.28-10,310.40

Finding the Fourth Proportional to 11,704.32, 16,145.28 and 10,310.40

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Solution

The fourth proportional to 11,704.32, 16,145.28 and 10,310.40 is: 14,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.32 : 16,145.28 = 10,310.40 : x
  2. Step 2: Convert to fraction form
    11,704.32/16,145.28 = 10,310.40/x
  3. Step 3: Cross multiply
    11,704.32x = 16,145.28 × 10,310.40
  4. Step 4: Simplify right side
    11,704.32x = 166,464,294.91
  5. Step 5: Solve for x
    x = 166,464,294.91/11,704.32
  6. Step 6: Final answer
    x = 14,222.47

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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.