Home / 10,298.20-15,447.30-10,233.40

Finding the Fourth Proportional to 10,298.20, 15,447.30 and 10,233.40

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Solution

The fourth proportional to 10,298.20, 15,447.30 and 10,233.40 is: 15,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.20 : 15,447.30 = 10,233.40 : x
  2. Step 2: Convert to fraction form
    10,298.20/15,447.30 = 10,233.40/x
  3. Step 3: Cross multiply
    10,298.20x = 15,447.30 × 10,233.40
  4. Step 4: Simplify right side
    10,298.20x = 158,078,399.82
  5. Step 5: Solve for x
    x = 158,078,399.82/10,298.20
  6. Step 6: Final answer
    x = 15,350.10

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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.