Home / 6,854.97-9,459.86-3,711.16

Finding the Fourth Proportional to 6,854.97, 9,459.86 and 3,711.16

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Solution

The fourth proportional to 6,854.97, 9,459.86 and 3,711.16 is: 5,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,854.97 : 9,459.86 = 3,711.16 : x
  2. Step 2: Convert to fraction form
    6,854.97/9,459.86 = 3,711.16/x
  3. Step 3: Cross multiply
    6,854.97x = 9,459.86 × 3,711.16
  4. Step 4: Simplify right side
    6,854.97x = 35,106,997.46
  5. Step 5: Solve for x
    x = 35,106,997.46/6,854.97
  6. Step 6: Final answer
    x = 5,121.40

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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.