Home / 8,462.48-11,674.31-5,479.28

Finding the Fourth Proportional to 8,462.48, 11,674.31 and 5,479.28

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Solution

The fourth proportional to 8,462.48, 11,674.31 and 5,479.28 is: 7,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.48 : 11,674.31 = 5,479.28 : x
  2. Step 2: Convert to fraction form
    8,462.48/11,674.31 = 5,479.28/x
  3. Step 3: Cross multiply
    8,462.48x = 11,674.31 × 5,479.28
  4. Step 4: Simplify right side
    8,462.48x = 63,966,727.53
  5. Step 5: Solve for x
    x = 63,966,727.53/8,462.48
  6. Step 6: Final answer
    x = 7,558.87

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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.