Home / 10,217.05-14,098.66-5,740.45

Finding the Fourth Proportional to 10,217.05, 14,098.66 and 5,740.45

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Solution

The fourth proportional to 10,217.05, 14,098.66 and 5,740.45 is: 7,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.05 : 14,098.66 = 5,740.45 : x
  2. Step 2: Convert to fraction form
    10,217.05/14,098.66 = 5,740.45/x
  3. Step 3: Cross multiply
    10,217.05x = 14,098.66 × 5,740.45
  4. Step 4: Simplify right side
    10,217.05x = 80,932,652.80
  5. Step 5: Solve for x
    x = 80,932,652.80/10,217.05
  6. Step 6: Final answer
    x = 7,921.33

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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.