Home / 11,207.16-15,462.63-7,230.60

Finding the Fourth Proportional to 11,207.16, 15,462.63 and 7,230.60

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Solution

The fourth proportional to 11,207.16, 15,462.63 and 7,230.60 is: 9,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.16 : 15,462.63 = 7,230.60 : x
  2. Step 2: Convert to fraction form
    11,207.16/15,462.63 = 7,230.60/x
  3. Step 3: Cross multiply
    11,207.16x = 15,462.63 × 7,230.60
  4. Step 4: Simplify right side
    11,207.16x = 111,804,092.48
  5. Step 5: Solve for x
    x = 111,804,092.48/11,207.16
  6. Step 6: Final answer
    x = 9,976.13

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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.