Home / 9,186.98-13,769.53-6,398.55

Finding the Fourth Proportional to 9,186.98, 13,769.53 and 6,398.55

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Solution

The fourth proportional to 9,186.98, 13,769.53 and 6,398.55 is: 9,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.98 : 13,769.53 = 6,398.55 : x
  2. Step 2: Convert to fraction form
    9,186.98/13,769.53 = 6,398.55/x
  3. Step 3: Cross multiply
    9,186.98x = 13,769.53 × 6,398.55
  4. Step 4: Simplify right side
    9,186.98x = 88,105,026.18
  5. Step 5: Solve for x
    x = 88,105,026.18/9,186.98
  6. Step 6: Final answer
    x = 9,590.21

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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.