Home / 10,833.40-16,217.70-6,448.60

Finding the Fourth Proportional to 10,833.40, 16,217.70 and 6,448.60

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Solution

The fourth proportional to 10,833.40, 16,217.70 and 6,448.60 is: 9,653.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,833.40 : 16,217.70 = 6,448.60 : x
  2. Step 2: Convert to fraction form
    10,833.40/16,217.70 = 6,448.60/x
  3. Step 3: Cross multiply
    10,833.40x = 16,217.70 × 6,448.60
  4. Step 4: Simplify right side
    10,833.40x = 104,581,460.22
  5. Step 5: Solve for x
    x = 104,581,460.22/10,833.40
  6. Step 6: Final answer
    x = 9,653.61

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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.