Home / 8,682.34-11,981.58-4,703.53

Finding the Fourth Proportional to 8,682.34, 11,981.58 and 4,703.53

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Solution

The fourth proportional to 8,682.34, 11,981.58 and 4,703.53 is: 6,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.34 : 11,981.58 = 4,703.53 : x
  2. Step 2: Convert to fraction form
    8,682.34/11,981.58 = 4,703.53/x
  3. Step 3: Cross multiply
    8,682.34x = 11,981.58 × 4,703.53
  4. Step 4: Simplify right side
    8,682.34x = 56,355,720.98
  5. Step 5: Solve for x
    x = 56,355,720.98/8,682.34
  6. Step 6: Final answer
    x = 6,490.84

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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.