Home / 8,278.46-11,424.35-4,741.59

Finding the Fourth Proportional to 8,278.46, 11,424.35 and 4,741.59

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Solution

The fourth proportional to 8,278.46, 11,424.35 and 4,741.59 is: 6,543.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278.46 : 11,424.35 = 4,741.59 : x
  2. Step 2: Convert to fraction form
    8,278.46/11,424.35 = 4,741.59/x
  3. Step 3: Cross multiply
    8,278.46x = 11,424.35 × 4,741.59
  4. Step 4: Simplify right side
    8,278.46x = 54,169,583.72
  5. Step 5: Solve for x
    x = 54,169,583.72/8,278.46
  6. Step 6: Final answer
    x = 6,543.44

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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.