Home / 7,042.92-9,718.68-4,353.72

Finding the Fourth Proportional to 7,042.92, 9,718.68 and 4,353.72

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Solution

The fourth proportional to 7,042.92, 9,718.68 and 4,353.72 is: 6,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.92 : 9,718.68 = 4,353.72 : x
  2. Step 2: Convert to fraction form
    7,042.92/9,718.68 = 4,353.72/x
  3. Step 3: Cross multiply
    7,042.92x = 9,718.68 × 4,353.72
  4. Step 4: Simplify right side
    7,042.92x = 42,312,411.49
  5. Step 5: Solve for x
    x = 42,312,411.49/7,042.92
  6. Step 6: Final answer
    x = 6,007.79

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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.