Home / 8,424.64-11,612.77-5,767.44

Finding the Fourth Proportional to 8,424.64, 11,612.77 and 5,767.44

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Solution

The fourth proportional to 8,424.64, 11,612.77 and 5,767.44 is: 7,950.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.64 : 11,612.77 = 5,767.44 : x
  2. Step 2: Convert to fraction form
    8,424.64/11,612.77 = 5,767.44/x
  3. Step 3: Cross multiply
    8,424.64x = 11,612.77 × 5,767.44
  4. Step 4: Simplify right side
    8,424.64x = 66,975,954.21
  5. Step 5: Solve for x
    x = 66,975,954.21/8,424.64
  6. Step 6: Final answer
    x = 7,950.01

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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.