Home / 8,757.74-12,085.68-5,613.93

Finding the Fourth Proportional to 8,757.74, 12,085.68 and 5,613.93

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Solution

The fourth proportional to 8,757.74, 12,085.68 and 5,613.93 is: 7,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.74 : 12,085.68 = 5,613.93 : x
  2. Step 2: Convert to fraction form
    8,757.74/12,085.68 = 5,613.93/x
  3. Step 3: Cross multiply
    8,757.74x = 12,085.68 × 5,613.93
  4. Step 4: Simplify right side
    8,757.74x = 67,848,073.02
  5. Step 5: Solve for x
    x = 67,848,073.02/8,757.74
  6. Step 6: Final answer
    x = 7,747.22

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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.