Home / 8,682.42-11,981.70-4,703.52

Finding the Fourth Proportional to 8,682.42, 11,981.70 and 4,703.52

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Solution

The fourth proportional to 8,682.42, 11,981.70 and 4,703.52 is: 6,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.42 : 11,981.70 = 4,703.52 : x
  2. Step 2: Convert to fraction form
    8,682.42/11,981.70 = 4,703.52/x
  3. Step 3: Cross multiply
    8,682.42x = 11,981.70 × 4,703.52
  4. Step 4: Simplify right side
    8,682.42x = 56,356,165.58
  5. Step 5: Solve for x
    x = 56,356,165.58/8,682.42
  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.