Home / 13,011.14-19,503.74-5,102.84

Finding the Fourth Proportional to 13,011.14, 19,503.74 and 5,102.84

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Solution

The fourth proportional to 13,011.14, 19,503.74 and 5,102.84 is: 7,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.14 : 19,503.74 = 5,102.84 : x
  2. Step 2: Convert to fraction form
    13,011.14/19,503.74 = 5,102.84/x
  3. Step 3: Cross multiply
    13,011.14x = 19,503.74 × 5,102.84
  4. Step 4: Simplify right side
    13,011.14x = 99,524,464.62
  5. Step 5: Solve for x
    x = 99,524,464.62/13,011.14
  6. Step 6: Final answer
    x = 7,649.17

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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.