Home / 12,770.51-19,167.62-6,534.99

Finding the Fourth Proportional to 12,770.51, 19,167.62 and 6,534.99

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Solution

The fourth proportional to 12,770.51, 19,167.62 and 6,534.99 is: 9,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.51 : 19,167.62 = 6,534.99 : x
  2. Step 2: Convert to fraction form
    12,770.51/19,167.62 = 6,534.99/x
  3. Step 3: Cross multiply
    12,770.51x = 19,167.62 × 6,534.99
  4. Step 4: Simplify right side
    12,770.51x = 125,260,172.35
  5. Step 5: Solve for x
    x = 125,260,172.35/12,770.51
  6. Step 6: Final answer
    x = 9,808.55

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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.