Home / 8,176.10-12,270.36-5,990.54

Finding the Fourth Proportional to 8,176.10, 12,270.36 and 5,990.54

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Solution

The fourth proportional to 8,176.10, 12,270.36 and 5,990.54 is: 8,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.10 : 12,270.36 = 5,990.54 : x
  2. Step 2: Convert to fraction form
    8,176.10/12,270.36 = 5,990.54/x
  3. Step 3: Cross multiply
    8,176.10x = 12,270.36 × 5,990.54
  4. Step 4: Simplify right side
    8,176.10x = 73,506,082.39
  5. Step 5: Solve for x
    x = 73,506,082.39/8,176.10
  6. Step 6: Final answer
    x = 8,990.36

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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.