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Finding the Fourth Proportional to 8,713.83, 12,024.75 and 4,734.86

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Solution

The fourth proportional to 8,713.83, 12,024.75 and 4,734.86 is: 6,533.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.83 : 12,024.75 = 4,734.86 : x
  2. Step 2: Convert to fraction form
    8,713.83/12,024.75 = 4,734.86/x
  3. Step 3: Cross multiply
    8,713.83x = 12,024.75 × 4,734.86
  4. Step 4: Simplify right side
    8,713.83x = 56,935,465.42
  5. Step 5: Solve for x
    x = 56,935,465.42/8,713.83
  6. Step 6: Final answer
    x = 6,533.92

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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.