Home / 11,383.36-15,707.52-6,907.30

Finding the Fourth Proportional to 11,383.36, 15,707.52 and 6,907.30

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Solution

The fourth proportional to 11,383.36, 15,707.52 and 6,907.30 is: 9,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,383.36 : 15,707.52 = 6,907.30 : x
  2. Step 2: Convert to fraction form
    11,383.36/15,707.52 = 6,907.30/x
  3. Step 3: Cross multiply
    11,383.36x = 15,707.52 × 6,907.30
  4. Step 4: Simplify right side
    11,383.36x = 108,496,552.90
  5. Step 5: Solve for x
    x = 108,496,552.90/11,383.36
  6. Step 6: Final answer
    x = 9,531.15

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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.