Home / 13,011.76-19,516.02-4,245.94

Finding the Fourth Proportional to 13,011.76, 19,516.02 and 4,245.94

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Solution

The fourth proportional to 13,011.76, 19,516.02 and 4,245.94 is: 6,368.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.76 : 19,516.02 = 4,245.94 : x
  2. Step 2: Convert to fraction form
    13,011.76/19,516.02 = 4,245.94/x
  3. Step 3: Cross multiply
    13,011.76x = 19,516.02 × 4,245.94
  4. Step 4: Simplify right side
    13,011.76x = 82,863,849.96
  5. Step 5: Solve for x
    x = 82,863,849.96/13,011.76
  6. Step 6: Final answer
    x = 6,368.38

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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.