Home / 7,150.92-9,861.16-4,354.68

Finding the Fourth Proportional to 7,150.92, 9,861.16 and 4,354.68

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Solution

The fourth proportional to 7,150.92, 9,861.16 and 4,354.68 is: 6,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150.92 : 9,861.16 = 4,354.68 : x
  2. Step 2: Convert to fraction form
    7,150.92/9,861.16 = 4,354.68/x
  3. Step 3: Cross multiply
    7,150.92x = 9,861.16 × 4,354.68
  4. Step 4: Simplify right side
    7,150.92x = 42,942,196.23
  5. Step 5: Solve for x
    x = 42,942,196.23/7,150.92
  6. Step 6: Final answer
    x = 6,005.13

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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.