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Finding the Fourth Proportional to 9,798.40, 14,697.59 and 3,953.64

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Solution

The fourth proportional to 9,798.40, 14,697.59 and 3,953.64 is: 5,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.40 : 14,697.59 = 3,953.64 : x
  2. Step 2: Convert to fraction form
    9,798.40/14,697.59 = 3,953.64/x
  3. Step 3: Cross multiply
    9,798.40x = 14,697.59 × 3,953.64
  4. Step 4: Simplify right side
    9,798.40x = 58,108,906.24
  5. Step 5: Solve for x
    x = 58,108,906.24/9,798.40
  6. Step 6: Final answer
    x = 5,930.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.