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Finding the Fourth Proportional to 8,797.71, 12,133.07 and 6,140.51

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Solution

The fourth proportional to 8,797.71, 12,133.07 and 6,140.51 is: 8,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.71 : 12,133.07 = 6,140.51 : x
  2. Step 2: Convert to fraction form
    8,797.71/12,133.07 = 6,140.51/x
  3. Step 3: Cross multiply
    8,797.71x = 12,133.07 × 6,140.51
  4. Step 4: Simplify right side
    8,797.71x = 74,503,177.00
  5. Step 5: Solve for x
    x = 74,503,177.00/8,797.71
  6. Step 6: Final answer
    x = 8,468.47

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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.