Home / 9,613.10-13,246.39-7,091.22

Finding the Fourth Proportional to 9,613.10, 13,246.39 and 7,091.22

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Solution

The fourth proportional to 9,613.10, 13,246.39 and 7,091.22 is: 9,771.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.10 : 13,246.39 = 7,091.22 : x
  2. Step 2: Convert to fraction form
    9,613.10/13,246.39 = 7,091.22/x
  3. Step 3: Cross multiply
    9,613.10x = 13,246.39 × 7,091.22
  4. Step 4: Simplify right side
    9,613.10x = 93,933,065.70
  5. Step 5: Solve for x
    x = 93,933,065.70/9,613.10
  6. Step 6: Final answer
    x = 9,771.36

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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.