Home / 8,397.98-12,567.25-6,171.59

Finding the Fourth Proportional to 8,397.98, 12,567.25 and 6,171.59

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Solution

The fourth proportional to 8,397.98, 12,567.25 and 6,171.59 is: 9,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,397.98 : 12,567.25 = 6,171.59 : x
  2. Step 2: Convert to fraction form
    8,397.98/12,567.25 = 6,171.59/x
  3. Step 3: Cross multiply
    8,397.98x = 12,567.25 × 6,171.59
  4. Step 4: Simplify right side
    8,397.98x = 77,559,953.56
  5. Step 5: Solve for x
    x = 77,559,953.56/8,397.98
  6. Step 6: Final answer
    x = 9,235.55

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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.