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Finding the Fourth Proportional to 9,613.31, 13,265.91 and 5,364.11

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Solution

The fourth proportional to 9,613.31, 13,265.91 and 5,364.11 is: 7,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,613.31 : 13,265.91 = 5,364.11 : x
  2. Step 2: Convert to fraction form
    9,613.31/13,265.91 = 5,364.11/x
  3. Step 3: Cross multiply
    9,613.31x = 13,265.91 × 5,364.11
  4. Step 4: Simplify right side
    9,613.31x = 71,159,833.65
  5. Step 5: Solve for x
    x = 71,159,833.65/9,613.31
  6. Step 6: Final answer
    x = 7,402.22

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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.