Home / 7,861.26-10,853.64-5,476.26

Finding the Fourth Proportional to 7,861.26, 10,853.64 and 5,476.26

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Solution

The fourth proportional to 7,861.26, 10,853.64 and 5,476.26 is: 7,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.26 : 10,853.64 = 5,476.26 : x
  2. Step 2: Convert to fraction form
    7,861.26/10,853.64 = 5,476.26/x
  3. Step 3: Cross multiply
    7,861.26x = 10,853.64 × 5,476.26
  4. Step 4: Simplify right side
    7,861.26x = 59,437,354.59
  5. Step 5: Solve for x
    x = 59,437,354.59/7,861.26
  6. Step 6: Final answer
    x = 7,560.79

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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.