Home / 8,433.64-11,638.74-4,708.36

Finding the Fourth Proportional to 8,433.64, 11,638.74 and 4,708.36

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Solution

The fourth proportional to 8,433.64, 11,638.74 and 4,708.36 is: 6,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.64 : 11,638.74 = 4,708.36 : x
  2. Step 2: Convert to fraction form
    8,433.64/11,638.74 = 4,708.36/x
  3. Step 3: Cross multiply
    8,433.64x = 11,638.74 × 4,708.36
  4. Step 4: Simplify right side
    8,433.64x = 54,799,377.87
  5. Step 5: Solve for x
    x = 54,799,377.87/8,433.64
  6. Step 6: Final answer
    x = 6,497.71

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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.