Home / 10,972.13-16,458.31-8,794.70

Finding the Fourth Proportional to 10,972.13, 16,458.31 and 8,794.70

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Solution

The fourth proportional to 10,972.13, 16,458.31 and 8,794.70 is: 13,192.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.13 : 16,458.31 = 8,794.70 : x
  2. Step 2: Convert to fraction form
    10,972.13/16,458.31 = 8,794.70/x
  3. Step 3: Cross multiply
    10,972.13x = 16,458.31 × 8,794.70
  4. Step 4: Simplify right side
    10,972.13x = 144,745,960.40
  5. Step 5: Solve for x
    x = 144,745,960.40/10,972.13
  6. Step 6: Final answer
    x = 13,192.14

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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.