Home / 11,574.46-15,969.99-6,857.92

Finding the Fourth Proportional to 11,574.46, 15,969.99 and 6,857.92

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Solution

The fourth proportional to 11,574.46, 15,969.99 and 6,857.92 is: 9,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.46 : 15,969.99 = 6,857.92 : x
  2. Step 2: Convert to fraction form
    11,574.46/15,969.99 = 6,857.92/x
  3. Step 3: Cross multiply
    11,574.46x = 15,969.99 × 6,857.92
  4. Step 4: Simplify right side
    11,574.46x = 109,520,913.82
  5. Step 5: Solve for x
    x = 109,520,913.82/11,574.46
  6. Step 6: Final answer
    x = 9,462.29

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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.