Home / 8,493.68-11,714.04-5,135.72

Finding the Fourth Proportional to 8,493.68, 11,714.04 and 5,135.72

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Solution

The fourth proportional to 8,493.68, 11,714.04 and 5,135.72 is: 7,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.68 : 11,714.04 = 5,135.72 : x
  2. Step 2: Convert to fraction form
    8,493.68/11,714.04 = 5,135.72/x
  3. Step 3: Cross multiply
    8,493.68x = 11,714.04 × 5,135.72
  4. Step 4: Simplify right side
    8,493.68x = 60,160,029.51
  5. Step 5: Solve for x
    x = 60,160,029.51/8,493.68
  6. Step 6: Final answer
    x = 7,082.92

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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.