Home / 12,527.94-17,287.88-6,862.39

Finding the Fourth Proportional to 12,527.94, 17,287.88 and 6,862.39

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Solution

The fourth proportional to 12,527.94, 17,287.88 and 6,862.39 is: 9,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.94 : 17,287.88 = 6,862.39 : x
  2. Step 2: Convert to fraction form
    12,527.94/17,287.88 = 6,862.39/x
  3. Step 3: Cross multiply
    12,527.94x = 17,287.88 × 6,862.39
  4. Step 4: Simplify right side
    12,527.94x = 118,636,140.52
  5. Step 5: Solve for x
    x = 118,636,140.52/12,527.94
  6. Step 6: Final answer
    x = 9,469.73

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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.