Home / 8,315.09-11,474.74-4,538.22

Finding the Fourth Proportional to 8,315.09, 11,474.74 and 4,538.22

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Solution

The fourth proportional to 8,315.09, 11,474.74 and 4,538.22 is: 6,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.09 : 11,474.74 = 4,538.22 : x
  2. Step 2: Convert to fraction form
    8,315.09/11,474.74 = 4,538.22/x
  3. Step 3: Cross multiply
    8,315.09x = 11,474.74 × 4,538.22
  4. Step 4: Simplify right side
    8,315.09x = 52,074,894.56
  5. Step 5: Solve for x
    x = 52,074,894.56/8,315.09
  6. Step 6: Final answer
    x = 6,262.70

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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.