Home / 8,861.11-13,294.39-3,315.01

Finding the Fourth Proportional to 8,861.11, 13,294.39 and 3,315.01

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Solution

The fourth proportional to 8,861.11, 13,294.39 and 3,315.01 is: 4,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.11 : 13,294.39 = 3,315.01 : x
  2. Step 2: Convert to fraction form
    8,861.11/13,294.39 = 3,315.01/x
  3. Step 3: Cross multiply
    8,861.11x = 13,294.39 × 3,315.01
  4. Step 4: Simplify right side
    8,861.11x = 44,071,035.79
  5. Step 5: Solve for x
    x = 44,071,035.79/8,861.11
  6. Step 6: Final answer
    x = 4,973.54

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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.