Home / 7,972.74-11,006.37-6,176.21

Finding the Fourth Proportional to 7,972.74, 11,006.37 and 6,176.21

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Solution

The fourth proportional to 7,972.74, 11,006.37 and 6,176.21 is: 8,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.74 : 11,006.37 = 6,176.21 : x
  2. Step 2: Convert to fraction form
    7,972.74/11,006.37 = 6,176.21/x
  3. Step 3: Cross multiply
    7,972.74x = 11,006.37 × 6,176.21
  4. Step 4: Simplify right side
    7,972.74x = 67,977,597.43
  5. Step 5: Solve for x
    x = 67,977,597.43/7,972.74
  6. Step 6: Final answer
    x = 8,526.25

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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.