Home / 10,754.64-16,124.59-5,479.44

Finding the Fourth Proportional to 10,754.64, 16,124.59 and 5,479.44

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Solution

The fourth proportional to 10,754.64, 16,124.59 and 5,479.44 is: 8,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,754.64 : 16,124.59 = 5,479.44 : x
  2. Step 2: Convert to fraction form
    10,754.64/16,124.59 = 5,479.44/x
  3. Step 3: Cross multiply
    10,754.64x = 16,124.59 × 5,479.44
  4. Step 4: Simplify right side
    10,754.64x = 88,353,696.03
  5. Step 5: Solve for x
    x = 88,353,696.03/10,754.64
  6. Step 6: Final answer
    x = 8,215.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.