Home / 7,255.43-10,011.90-4,068.26

Finding the Fourth Proportional to 7,255.43, 10,011.90 and 4,068.26

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Solution

The fourth proportional to 7,255.43, 10,011.90 and 4,068.26 is: 5,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.43 : 10,011.90 = 4,068.26 : x
  2. Step 2: Convert to fraction form
    7,255.43/10,011.90 = 4,068.26/x
  3. Step 3: Cross multiply
    7,255.43x = 10,011.90 × 4,068.26
  4. Step 4: Simplify right side
    7,255.43x = 40,731,012.29
  5. Step 5: Solve for x
    x = 40,731,012.29/7,255.43
  6. Step 6: Final answer
    x = 5,613.87

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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.