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Finding the Fourth Proportional to 9,818.92, 13,553 and 5,842.84

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Solution

The fourth proportional to 9,818.92, 13,553 and 5,842.84 is: 8,064.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,818.92 : 13,553 = 5,842.84 : x
  2. Step 2: Convert to fraction form
    9,818.92/13,553 = 5,842.84/x
  3. Step 3: Cross multiply
    9,818.92x = 13,553 × 5,842.84
  4. Step 4: Simplify right side
    9,818.92x = 79,188,010.52
  5. Step 5: Solve for x
    x = 79,188,010.52/9,818.92
  6. Step 6: Final answer
    x = 8,064.84

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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.