Home / 10,167.76-15,210.91-8,795.85

Finding the Fourth Proportional to 10,167.76, 15,210.91 and 8,795.85

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Solution

The fourth proportional to 10,167.76, 15,210.91 and 8,795.85 is: 13,158.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.76 : 15,210.91 = 8,795.85 : x
  2. Step 2: Convert to fraction form
    10,167.76/15,210.91 = 8,795.85/x
  3. Step 3: Cross multiply
    10,167.76x = 15,210.91 × 8,795.85
  4. Step 4: Simplify right side
    10,167.76x = 133,792,882.72
  5. Step 5: Solve for x
    x = 133,792,882.72/10,167.76
  6. Step 6: Final answer
    x = 13,158.54

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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.