Home / 10,946.13-16,427.30-8,141.37

Finding the Fourth Proportional to 10,946.13, 16,427.30 and 8,141.37

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Solution

The fourth proportional to 10,946.13, 16,427.30 and 8,141.37 is: 12,218.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.13 : 16,427.30 = 8,141.37 : x
  2. Step 2: Convert to fraction form
    10,946.13/16,427.30 = 8,141.37/x
  3. Step 3: Cross multiply
    10,946.13x = 16,427.30 × 8,141.37
  4. Step 4: Simplify right side
    10,946.13x = 133,740,686.69
  5. Step 5: Solve for x
    x = 133,740,686.69/10,946.13
  6. Step 6: Final answer
    x = 12,218.08

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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.