Home / 7,186-9,917.06-4,203.58

Finding the Fourth Proportional to 7,186, 9,917.06 and 4,203.58

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Solution

The fourth proportional to 7,186, 9,917.06 and 4,203.58 is: 5,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186 : 9,917.06 = 4,203.58 : x
  2. Step 2: Convert to fraction form
    7,186/9,917.06 = 4,203.58/x
  3. Step 3: Cross multiply
    7,186x = 9,917.06 × 4,203.58
  4. Step 4: Simplify right side
    7,186x = 41,687,155.07
  5. Step 5: Solve for x
    x = 41,687,155.07/7,186
  6. Step 6: Final answer
    x = 5,801.16

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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.