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Finding the Fourth Proportional to 7,434.76, 11,156.46 and 5,865.16

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Solution

The fourth proportional to 7,434.76, 11,156.46 and 5,865.16 is: 8,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,434.76 : 11,156.46 = 5,865.16 : x
  2. Step 2: Convert to fraction form
    7,434.76/11,156.46 = 5,865.16/x
  3. Step 3: Cross multiply
    7,434.76x = 11,156.46 × 5,865.16
  4. Step 4: Simplify right side
    7,434.76x = 65,434,422.93
  5. Step 5: Solve for x
    x = 65,434,422.93/7,434.76
  6. Step 6: Final answer
    x = 8,801.15

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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.