Home / 10,311.12-15,466.04-2,916.56

Finding the Fourth Proportional to 10,311.12, 15,466.04 and 2,916.56

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Solution

The fourth proportional to 10,311.12, 15,466.04 and 2,916.56 is: 4,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.12 : 15,466.04 = 2,916.56 : x
  2. Step 2: Convert to fraction form
    10,311.12/15,466.04 = 2,916.56/x
  3. Step 3: Cross multiply
    10,311.12x = 15,466.04 × 2,916.56
  4. Step 4: Simplify right side
    10,311.12x = 45,107,633.62
  5. Step 5: Solve for x
    x = 45,107,633.62/10,311.12
  6. Step 6: Final answer
    x = 4,374.66

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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.