Home / 10,807.20-16,235.10-10,394.10

Finding the Fourth Proportional to 10,807.20, 16,235.10 and 10,394.10

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Solution

The fourth proportional to 10,807.20, 16,235.10 and 10,394.10 is: 15,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.20 : 16,235.10 = 10,394.10 : x
  2. Step 2: Convert to fraction form
    10,807.20/16,235.10 = 10,394.10/x
  3. Step 3: Cross multiply
    10,807.20x = 16,235.10 × 10,394.10
  4. Step 4: Simplify right side
    10,807.20x = 168,749,252.91
  5. Step 5: Solve for x
    x = 168,749,252.91/10,807.20
  6. Step 6: Final answer
    x = 15,614.52

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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.