Home / 10,474.68-15,709.59-4,931.85

Finding the Fourth Proportional to 10,474.68, 15,709.59 and 4,931.85

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Solution

The fourth proportional to 10,474.68, 15,709.59 and 4,931.85 is: 7,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.68 : 15,709.59 = 4,931.85 : x
  2. Step 2: Convert to fraction form
    10,474.68/15,709.59 = 4,931.85/x
  3. Step 3: Cross multiply
    10,474.68x = 15,709.59 × 4,931.85
  4. Step 4: Simplify right side
    10,474.68x = 77,477,341.44
  5. Step 5: Solve for x
    x = 77,477,341.44/10,474.68
  6. Step 6: Final answer
    x = 7,396.63

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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.