Home / 10,001.06-13,801.05-5,751.80

Finding the Fourth Proportional to 10,001.06, 13,801.05 and 5,751.80

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Solution

The fourth proportional to 10,001.06, 13,801.05 and 5,751.80 is: 7,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.06 : 13,801.05 = 5,751.80 : x
  2. Step 2: Convert to fraction form
    10,001.06/13,801.05 = 5,751.80/x
  3. Step 3: Cross multiply
    10,001.06x = 13,801.05 × 5,751.80
  4. Step 4: Simplify right side
    10,001.06x = 79,380,879.39
  5. Step 5: Solve for x
    x = 79,380,879.39/10,001.06
  6. Step 6: Final answer
    x = 7,937.25

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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.