Home / 10,912.60-16,385.58-10,463.32

Finding the Fourth Proportional to 10,912.60, 16,385.58 and 10,463.32

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Solution

The fourth proportional to 10,912.60, 16,385.58 and 10,463.32 is: 15,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.60 : 16,385.58 = 10,463.32 : x
  2. Step 2: Convert to fraction form
    10,912.60/16,385.58 = 10,463.32/x
  3. Step 3: Cross multiply
    10,912.60x = 16,385.58 × 10,463.32
  4. Step 4: Simplify right side
    10,912.60x = 171,447,566.93
  5. Step 5: Solve for x
    x = 171,447,566.93/10,912.60
  6. Step 6: Final answer
    x = 15,710.97

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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.