Home / 10,524.05-15,780.14-3,500.30

Finding the Fourth Proportional to 10,524.05, 15,780.14 and 3,500.30

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Solution

The fourth proportional to 10,524.05, 15,780.14 and 3,500.30 is: 5,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,524.05 : 15,780.14 = 3,500.30 : x
  2. Step 2: Convert to fraction form
    10,524.05/15,780.14 = 3,500.30/x
  3. Step 3: Cross multiply
    10,524.05x = 15,780.14 × 3,500.30
  4. Step 4: Simplify right side
    10,524.05x = 55,235,127.64
  5. Step 5: Solve for x
    x = 55,235,127.64/10,524.05
  6. Step 6: Final answer
    x = 5,248.47

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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.