Home / 10,972.10-16,458.11-4,402.89

Finding the Fourth Proportional to 10,972.10, 16,458.11 and 4,402.89

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Solution

The fourth proportional to 10,972.10, 16,458.11 and 4,402.89 is: 6,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.10 : 16,458.11 = 4,402.89 : x
  2. Step 2: Convert to fraction form
    10,972.10/16,458.11 = 4,402.89/x
  3. Step 3: Cross multiply
    10,972.10x = 16,458.11 × 4,402.89
  4. Step 4: Simplify right side
    10,972.10x = 72,463,225.92
  5. Step 5: Solve for x
    x = 72,463,225.92/10,972.10
  6. Step 6: Final answer
    x = 6,604.32

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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.