Home / 7,260.92-10,877.11-4,788.20

Finding the Fourth Proportional to 7,260.92, 10,877.11 and 4,788.20

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Solution

The fourth proportional to 7,260.92, 10,877.11 and 4,788.20 is: 7,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.92 : 10,877.11 = 4,788.20 : x
  2. Step 2: Convert to fraction form
    7,260.92/10,877.11 = 4,788.20/x
  3. Step 3: Cross multiply
    7,260.92x = 10,877.11 × 4,788.20
  4. Step 4: Simplify right side
    7,260.92x = 52,081,778.10
  5. Step 5: Solve for x
    x = 52,081,778.10/7,260.92
  6. Step 6: Final answer
    x = 7,172.89

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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.