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Finding the Fourth Proportional to 8,353.10, 11,530.54 and 5,701.97

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Solution

The fourth proportional to 8,353.10, 11,530.54 and 5,701.97 is: 7,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.10 : 11,530.54 = 5,701.97 : x
  2. Step 2: Convert to fraction form
    8,353.10/11,530.54 = 5,701.97/x
  3. Step 3: Cross multiply
    8,353.10x = 11,530.54 × 5,701.97
  4. Step 4: Simplify right side
    8,353.10x = 65,746,721.26
  5. Step 5: Solve for x
    x = 65,746,721.26/8,353.10
  6. Step 6: Final answer
    x = 7,870.94

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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.