Home / 10,217.40-14,100.26-5,740.89

Finding the Fourth Proportional to 10,217.40, 14,100.26 and 5,740.89

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Solution

The fourth proportional to 10,217.40, 14,100.26 and 5,740.89 is: 7,922.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.40 : 14,100.26 = 5,740.89 : x
  2. Step 2: Convert to fraction form
    10,217.40/14,100.26 = 5,740.89/x
  3. Step 3: Cross multiply
    10,217.40x = 14,100.26 × 5,740.89
  4. Step 4: Simplify right side
    10,217.40x = 80,948,011.92
  5. Step 5: Solve for x
    x = 80,948,011.92/10,217.40
  6. Step 6: Final answer
    x = 7,922.56

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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.