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Finding the Fourth Proportional to 8,713.18, 12,023.94 and 4,734.30

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Solution

The fourth proportional to 8,713.18, 12,023.94 and 4,734.30 is: 6,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.18 : 12,023.94 = 4,734.30 : x
  2. Step 2: Convert to fraction form
    8,713.18/12,023.94 = 4,734.30/x
  3. Step 3: Cross multiply
    8,713.18x = 12,023.94 × 4,734.30
  4. Step 4: Simplify right side
    8,713.18x = 56,924,939.14
  5. Step 5: Solve for x
    x = 56,924,939.14/8,713.18
  6. Step 6: Final answer
    x = 6,533.20

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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.