Home / 10,338.16-15,497.82-4,790.02

Finding the Fourth Proportional to 10,338.16, 15,497.82 and 4,790.02

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Solution

The fourth proportional to 10,338.16, 15,497.82 and 4,790.02 is: 7,180.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.16 : 15,497.82 = 4,790.02 : x
  2. Step 2: Convert to fraction form
    10,338.16/15,497.82 = 4,790.02/x
  3. Step 3: Cross multiply
    10,338.16x = 15,497.82 × 4,790.02
  4. Step 4: Simplify right side
    10,338.16x = 74,234,867.76
  5. Step 5: Solve for x
    x = 74,234,867.76/10,338.16
  6. Step 6: Final answer
    x = 7,180.67

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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.