Home / 7,141.50-9,856.35-4,348.62

Finding the Fourth Proportional to 7,141.50, 9,856.35 and 4,348.62

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Solution

The fourth proportional to 7,141.50, 9,856.35 and 4,348.62 is: 6,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.50 : 9,856.35 = 4,348.62 : x
  2. Step 2: Convert to fraction form
    7,141.50/9,856.35 = 4,348.62/x
  3. Step 3: Cross multiply
    7,141.50x = 9,856.35 × 4,348.62
  4. Step 4: Simplify right side
    7,141.50x = 42,861,520.74
  5. Step 5: Solve for x
    x = 42,861,520.74/7,141.50
  6. Step 6: Final answer
    x = 6,001.75

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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.