Home / 10,966.12-16,454.58-5,123.14

Finding the Fourth Proportional to 10,966.12, 16,454.58 and 5,123.14

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Solution

The fourth proportional to 10,966.12, 16,454.58 and 5,123.14 is: 7,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,966.12 : 16,454.58 = 5,123.14 : x
  2. Step 2: Convert to fraction form
    10,966.12/16,454.58 = 5,123.14/x
  3. Step 3: Cross multiply
    10,966.12x = 16,454.58 × 5,123.14
  4. Step 4: Simplify right side
    10,966.12x = 84,299,116.98
  5. Step 5: Solve for x
    x = 84,299,116.98/10,966.12
  6. Step 6: Final answer
    x = 7,687.23

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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.