Home / 12,613.16-17,409.93-7,310.36

Finding the Fourth Proportional to 12,613.16, 17,409.93 and 7,310.36

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Solution

The fourth proportional to 12,613.16, 17,409.93 and 7,310.36 is: 10,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,613.16 : 17,409.93 = 7,310.36 : x
  2. Step 2: Convert to fraction form
    12,613.16/17,409.93 = 7,310.36/x
  3. Step 3: Cross multiply
    12,613.16x = 17,409.93 × 7,310.36
  4. Step 4: Simplify right side
    12,613.16x = 127,272,855.87
  5. Step 5: Solve for x
    x = 127,272,855.87/12,613.16
  6. Step 6: Final answer
    x = 10,090.48

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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.