Home / 7,042.38-9,697.20-6,680.94

Finding the Fourth Proportional to 7,042.38, 9,697.20 and 6,680.94

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Solution

The fourth proportional to 7,042.38, 9,697.20 and 6,680.94 is: 9,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.38 : 9,697.20 = 6,680.94 : x
  2. Step 2: Convert to fraction form
    7,042.38/9,697.20 = 6,680.94/x
  3. Step 3: Cross multiply
    7,042.38x = 9,697.20 × 6,680.94
  4. Step 4: Simplify right side
    7,042.38x = 64,786,411.37
  5. Step 5: Solve for x
    x = 64,786,411.37/7,042.38
  6. Step 6: Final answer
    x = 9,199.51

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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.