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Finding the Fourth Proportional to 9,011.40, 12,437.97 and 5,828.27

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Solution

The fourth proportional to 9,011.40, 12,437.97 and 5,828.27 is: 8,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.40 : 12,437.97 = 5,828.27 : x
  2. Step 2: Convert to fraction form
    9,011.40/12,437.97 = 5,828.27/x
  3. Step 3: Cross multiply
    9,011.40x = 12,437.97 × 5,828.27
  4. Step 4: Simplify right side
    9,011.40x = 72,491,785.22
  5. Step 5: Solve for x
    x = 72,491,785.22/9,011.40
  6. Step 6: Final answer
    x = 8,044.45

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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.