Home / 8,160.88-11,262.40-4,624.16

Finding the Fourth Proportional to 8,160.88, 11,262.40 and 4,624.16

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Solution

The fourth proportional to 8,160.88, 11,262.40 and 4,624.16 is: 6,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.88 : 11,262.40 = 4,624.16 : x
  2. Step 2: Convert to fraction form
    8,160.88/11,262.40 = 4,624.16/x
  3. Step 3: Cross multiply
    8,160.88x = 11,262.40 × 4,624.16
  4. Step 4: Simplify right side
    8,160.88x = 52,079,139.58
  5. Step 5: Solve for x
    x = 52,079,139.58/8,160.88
  6. Step 6: Final answer
    x = 6,381.56

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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.