Home / 9,384.14-12,950.34-5,192.39

Finding the Fourth Proportional to 9,384.14, 12,950.34 and 5,192.39

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Solution

The fourth proportional to 9,384.14, 12,950.34 and 5,192.39 is: 7,165.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.14 : 12,950.34 = 5,192.39 : x
  2. Step 2: Convert to fraction form
    9,384.14/12,950.34 = 5,192.39/x
  3. Step 3: Cross multiply
    9,384.14x = 12,950.34 × 5,192.39
  4. Step 4: Simplify right side
    9,384.14x = 67,243,215.91
  5. Step 5: Solve for x
    x = 67,243,215.91/9,384.14
  6. Step 6: Final answer
    x = 7,165.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.