Home / 8,682.48-11,981.64-4,703.44

Finding the Fourth Proportional to 8,682.48, 11,981.64 and 4,703.44

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Solution

The fourth proportional to 8,682.48, 11,981.64 and 4,703.44 is: 6,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.48 : 11,981.64 = 4,703.44 : x
  2. Step 2: Convert to fraction form
    8,682.48/11,981.64 = 4,703.44/x
  3. Step 3: Cross multiply
    8,682.48x = 11,981.64 × 4,703.44
  4. Step 4: Simplify right side
    8,682.48x = 56,354,924.84
  5. Step 5: Solve for x
    x = 56,354,924.84/8,682.48
  6. Step 6: Final answer
    x = 6,490.65

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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.