Home / 10,864.20-16,296.30-5,020.05

Finding the Fourth Proportional to 10,864.20, 16,296.30 and 5,020.05

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Solution

The fourth proportional to 10,864.20, 16,296.30 and 5,020.05 is: 7,530.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,864.20 : 16,296.30 = 5,020.05 : x
  2. Step 2: Convert to fraction form
    10,864.20/16,296.30 = 5,020.05/x
  3. Step 3: Cross multiply
    10,864.20x = 16,296.30 × 5,020.05
  4. Step 4: Simplify right side
    10,864.20x = 81,808,134.23
  5. Step 5: Solve for x
    x = 81,808,134.23/10,864.20
  6. Step 6: Final answer
    x = 7,530.07

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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.