Home / 6,971.15-10,456.68-1,776.98

Finding the Fourth Proportional to 6,971.15, 10,456.68 and 1,776.98

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Solution

The fourth proportional to 6,971.15, 10,456.68 and 1,776.98 is: 2,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.15 : 10,456.68 = 1,776.98 : x
  2. Step 2: Convert to fraction form
    6,971.15/10,456.68 = 1,776.98/x
  3. Step 3: Cross multiply
    6,971.15x = 10,456.68 × 1,776.98
  4. Step 4: Simplify right side
    6,971.15x = 18,581,311.23
  5. Step 5: Solve for x
    x = 18,581,311.23/6,971.15
  6. Step 6: Final answer
    x = 2,665.46

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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.