Home / 10,958.29-16,437.30-10,427.02

Finding the Fourth Proportional to 10,958.29, 16,437.30 and 10,427.02

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Solution

The fourth proportional to 10,958.29, 16,437.30 and 10,427.02 is: 15,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.29 : 16,437.30 = 10,427.02 : x
  2. Step 2: Convert to fraction form
    10,958.29/16,437.30 = 10,427.02/x
  3. Step 3: Cross multiply
    10,958.29x = 16,437.30 × 10,427.02
  4. Step 4: Simplify right side
    10,958.29x = 171,392,055.85
  5. Step 5: Solve for x
    x = 171,392,055.85/10,958.29
  6. Step 6: Final answer
    x = 15,640.40

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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.