Home / 13,071.62-19,607.39-3,711.65

Finding the Fourth Proportional to 13,071.62, 19,607.39 and 3,711.65

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Solution

The fourth proportional to 13,071.62, 19,607.39 and 3,711.65 is: 5,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.62 : 19,607.39 = 3,711.65 : x
  2. Step 2: Convert to fraction form
    13,071.62/19,607.39 = 3,711.65/x
  3. Step 3: Cross multiply
    13,071.62x = 19,607.39 × 3,711.65
  4. Step 4: Simplify right side
    13,071.62x = 72,775,652.50
  5. Step 5: Solve for x
    x = 72,775,652.50/13,071.62
  6. Step 6: Final answer
    x = 5,567.46

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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.