Home / 12,263.20-16,926.47-7,551.43

Finding the Fourth Proportional to 12,263.20, 16,926.47 and 7,551.43

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Solution

The fourth proportional to 12,263.20, 16,926.47 and 7,551.43 is: 10,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.20 : 16,926.47 = 7,551.43 : x
  2. Step 2: Convert to fraction form
    12,263.20/16,926.47 = 7,551.43/x
  3. Step 3: Cross multiply
    12,263.20x = 16,926.47 × 7,551.43
  4. Step 4: Simplify right side
    12,263.20x = 127,819,001.60
  5. Step 5: Solve for x
    x = 127,819,001.60/12,263.20
  6. Step 6: Final answer
    x = 10,422.98

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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.