Home / 7,895.12-11,841.84-4,964.72

Finding the Fourth Proportional to 7,895.12, 11,841.84 and 4,964.72

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Solution

The fourth proportional to 7,895.12, 11,841.84 and 4,964.72 is: 7,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.12 : 11,841.84 = 4,964.72 : x
  2. Step 2: Convert to fraction form
    7,895.12/11,841.84 = 4,964.72/x
  3. Step 3: Cross multiply
    7,895.12x = 11,841.84 × 4,964.72
  4. Step 4: Simplify right side
    7,895.12x = 58,791,419.88
  5. Step 5: Solve for x
    x = 58,791,419.88/7,895.12
  6. Step 6: Final answer
    x = 7,446.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.