Home / 8,957.26-13,430.68-3,410.98

Finding the Fourth Proportional to 8,957.26, 13,430.68 and 3,410.98

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Solution

The fourth proportional to 8,957.26, 13,430.68 and 3,410.98 is: 5,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.26 : 13,430.68 = 3,410.98 : x
  2. Step 2: Convert to fraction form
    8,957.26/13,430.68 = 3,410.98/x
  3. Step 3: Cross multiply
    8,957.26x = 13,430.68 × 3,410.98
  4. Step 4: Simplify right side
    8,957.26x = 45,811,780.87
  5. Step 5: Solve for x
    x = 45,811,780.87/8,957.26
  6. Step 6: Final answer
    x = 5,114.49

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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.