Home / 12,463.40-17,199.70-6,798.18

Finding the Fourth Proportional to 12,463.40, 17,199.70 and 6,798.18

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Solution

The fourth proportional to 12,463.40, 17,199.70 and 6,798.18 is: 9,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,463.40 : 17,199.70 = 6,798.18 : x
  2. Step 2: Convert to fraction form
    12,463.40/17,199.70 = 6,798.18/x
  3. Step 3: Cross multiply
    12,463.40x = 17,199.70 × 6,798.18
  4. Step 4: Simplify right side
    12,463.40x = 116,926,656.55
  5. Step 5: Solve for x
    x = 116,926,656.55/12,463.40
  6. Step 6: Final answer
    x = 9,381.60

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Similar ratio
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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.