Home / 10,857.45-14,983.59-6,141.63

Finding the Fourth Proportional to 10,857.45, 14,983.59 and 6,141.63

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Solution

The fourth proportional to 10,857.45, 14,983.59 and 6,141.63 is: 8,475.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.45 : 14,983.59 = 6,141.63 : x
  2. Step 2: Convert to fraction form
    10,857.45/14,983.59 = 6,141.63/x
  3. Step 3: Cross multiply
    10,857.45x = 14,983.59 × 6,141.63
  4. Step 4: Simplify right side
    10,857.45x = 92,023,665.85
  5. Step 5: Solve for x
    x = 92,023,665.85/10,857.45
  6. Step 6: Final answer
    x = 8,475.62

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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.