Home / 13,011.06-19,516.52-3,651.06

Finding the Fourth Proportional to 13,011.06, 19,516.52 and 3,651.06

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Solution

The fourth proportional to 13,011.06, 19,516.52 and 3,651.06 is: 5,476.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.06 : 19,516.52 = 3,651.06 : x
  2. Step 2: Convert to fraction form
    13,011.06/19,516.52 = 3,651.06/x
  3. Step 3: Cross multiply
    13,011.06x = 19,516.52 × 3,651.06
  4. Step 4: Simplify right side
    13,011.06x = 71,255,985.51
  5. Step 5: Solve for x
    x = 71,255,985.51/13,011.06
  6. Step 6: Final answer
    x = 5,476.57

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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.