Home / 6,977.34-10,465.20-6,591.78

Finding the Fourth Proportional to 6,977.34, 10,465.20 and 6,591.78

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Solution

The fourth proportional to 6,977.34, 10,465.20 and 6,591.78 is: 9,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,977.34 : 10,465.20 = 6,591.78 : x
  2. Step 2: Convert to fraction form
    6,977.34/10,465.20 = 6,591.78/x
  3. Step 3: Cross multiply
    6,977.34x = 10,465.20 × 6,591.78
  4. Step 4: Simplify right side
    6,977.34x = 68,984,296.06
  5. Step 5: Solve for x
    x = 68,984,296.06/6,977.34
  6. Step 6: Final answer
    x = 9,886.90

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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.