Home / 8,788.14-12,130.74-5,433.54

Finding the Fourth Proportional to 8,788.14, 12,130.74 and 5,433.54

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Solution

The fourth proportional to 8,788.14, 12,130.74 and 5,433.54 is: 7,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.14 : 12,130.74 = 5,433.54 : x
  2. Step 2: Convert to fraction form
    8,788.14/12,130.74 = 5,433.54/x
  3. Step 3: Cross multiply
    8,788.14x = 12,130.74 × 5,433.54
  4. Step 4: Simplify right side
    8,788.14x = 65,912,861.02
  5. Step 5: Solve for x
    x = 65,912,861.02/8,788.14
  6. Step 6: Final answer
    x = 7,500.21

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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.