Home / 10,936.80-15,101.10-7,590.60

Finding the Fourth Proportional to 10,936.80, 15,101.10 and 7,590.60

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Solution

The fourth proportional to 10,936.80, 15,101.10 and 7,590.60 is: 10,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.80 : 15,101.10 = 7,590.60 : x
  2. Step 2: Convert to fraction form
    10,936.80/15,101.10 = 7,590.60/x
  3. Step 3: Cross multiply
    10,936.80x = 15,101.10 × 7,590.60
  4. Step 4: Simplify right side
    10,936.80x = 114,626,409.66
  5. Step 5: Solve for x
    x = 114,626,409.66/10,936.80
  6. Step 6: Final answer
    x = 10,480.80

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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.