Home / 10,097.97-13,920.75-6,739.62

Finding the Fourth Proportional to 10,097.97, 13,920.75 and 6,739.62

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Solution

The fourth proportional to 10,097.97, 13,920.75 and 6,739.62 is: 9,291.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.97 : 13,920.75 = 6,739.62 : x
  2. Step 2: Convert to fraction form
    10,097.97/13,920.75 = 6,739.62/x
  3. Step 3: Cross multiply
    10,097.97x = 13,920.75 × 6,739.62
  4. Step 4: Simplify right side
    10,097.97x = 93,820,565.12
  5. Step 5: Solve for x
    x = 93,820,565.12/10,097.97
  6. Step 6: Final answer
    x = 9,291.03

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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.