Home / 6,905.81-10,358.82-1,711.69

Finding the Fourth Proportional to 6,905.81, 10,358.82 and 1,711.69

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Solution

The fourth proportional to 6,905.81, 10,358.82 and 1,711.69 is: 2,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.81 : 10,358.82 = 1,711.69 : x
  2. Step 2: Convert to fraction form
    6,905.81/10,358.82 = 1,711.69/x
  3. Step 3: Cross multiply
    6,905.81x = 10,358.82 × 1,711.69
  4. Step 4: Simplify right side
    6,905.81x = 17,731,088.61
  5. Step 5: Solve for x
    x = 17,731,088.61/6,905.81
  6. Step 6: Final answer
    x = 2,567.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.