Home / 6,861.68-9,468.80-4,345.12

Finding the Fourth Proportional to 6,861.68, 9,468.80 and 4,345.12

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Solution

The fourth proportional to 6,861.68, 9,468.80 and 4,345.12 is: 5,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.68 : 9,468.80 = 4,345.12 : x
  2. Step 2: Convert to fraction form
    6,861.68/9,468.80 = 4,345.12/x
  3. Step 3: Cross multiply
    6,861.68x = 9,468.80 × 4,345.12
  4. Step 4: Simplify right side
    6,861.68x = 41,143,072.26
  5. Step 5: Solve for x
    x = 41,143,072.26/6,861.68
  6. Step 6: Final answer
    x = 5,996.06

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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.