Home / 8,712.96-12,023.90-4,734.04

Finding the Fourth Proportional to 8,712.96, 12,023.90 and 4,734.04

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Solution

The fourth proportional to 8,712.96, 12,023.90 and 4,734.04 is: 6,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.96 : 12,023.90 = 4,734.04 : x
  2. Step 2: Convert to fraction form
    8,712.96/12,023.90 = 4,734.04/x
  3. Step 3: Cross multiply
    8,712.96x = 12,023.90 × 4,734.04
  4. Step 4: Simplify right side
    8,712.96x = 56,921,623.56
  5. Step 5: Solve for x
    x = 56,921,623.56/8,712.96
  6. Step 6: Final answer
    x = 6,532.98

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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.