Home / 10,859.72-16,292.46-4,284.32

Finding the Fourth Proportional to 10,859.72, 16,292.46 and 4,284.32

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Solution

The fourth proportional to 10,859.72, 16,292.46 and 4,284.32 is: 6,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.72 : 16,292.46 = 4,284.32 : x
  2. Step 2: Convert to fraction form
    10,859.72/16,292.46 = 4,284.32/x
  3. Step 3: Cross multiply
    10,859.72x = 16,292.46 × 4,284.32
  4. Step 4: Simplify right side
    10,859.72x = 69,802,112.23
  5. Step 5: Solve for x
    x = 69,802,112.23/10,859.72
  6. Step 6: Final answer
    x = 6,427.62

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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.