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Finding the Fourth Proportional to 9,527.99, 13,139.28 and 6,834.65

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Solution

The fourth proportional to 9,527.99, 13,139.28 and 6,834.65 is: 9,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,527.99 : 13,139.28 = 6,834.65 : x
  2. Step 2: Convert to fraction form
    9,527.99/13,139.28 = 6,834.65/x
  3. Step 3: Cross multiply
    9,527.99x = 13,139.28 × 6,834.65
  4. Step 4: Simplify right side
    9,527.99x = 89,802,314.36
  5. Step 5: Solve for x
    x = 89,802,314.36/9,527.99
  6. Step 6: Final answer
    x = 9,425.11

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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.