Home / 10,519.56-15,775.65-3,497.67

Finding the Fourth Proportional to 10,519.56, 15,775.65 and 3,497.67

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Solution

The fourth proportional to 10,519.56, 15,775.65 and 3,497.67 is: 5,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,519.56 : 15,775.65 = 3,497.67 : x
  2. Step 2: Convert to fraction form
    10,519.56/15,775.65 = 3,497.67/x
  3. Step 3: Cross multiply
    10,519.56x = 15,775.65 × 3,497.67
  4. Step 4: Simplify right side
    10,519.56x = 55,178,017.74
  5. Step 5: Solve for x
    x = 55,178,017.74/10,519.56
  6. Step 6: Final answer
    x = 5,245.28

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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.