Home / 8,488.34-12,699.70-5,701.73

Finding the Fourth Proportional to 8,488.34, 12,699.70 and 5,701.73

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Solution

The fourth proportional to 8,488.34, 12,699.70 and 5,701.73 is: 8,530.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.34 : 12,699.70 = 5,701.73 : x
  2. Step 2: Convert to fraction form
    8,488.34/12,699.70 = 5,701.73/x
  3. Step 3: Cross multiply
    8,488.34x = 12,699.70 × 5,701.73
  4. Step 4: Simplify right side
    8,488.34x = 72,410,277.98
  5. Step 5: Solve for x
    x = 72,410,277.98/8,488.34
  6. Step 6: Final answer
    x = 8,530.56

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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.