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Finding the Fourth Proportional to 9,651.34, 13,295.02 and 8,230.40

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Solution

The fourth proportional to 9,651.34, 13,295.02 and 8,230.40 is: 11,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.34 : 13,295.02 = 8,230.40 : x
  2. Step 2: Convert to fraction form
    9,651.34/13,295.02 = 8,230.40/x
  3. Step 3: Cross multiply
    9,651.34x = 13,295.02 × 8,230.40
  4. Step 4: Simplify right side
    9,651.34x = 109,423,332.61
  5. Step 5: Solve for x
    x = 109,423,332.61/9,651.34
  6. Step 6: Final answer
    x = 11,337.63

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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.