Home / 12,711.55-19,072.54-5,592.12

Finding the Fourth Proportional to 12,711.55, 19,072.54 and 5,592.12

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Solution

The fourth proportional to 12,711.55, 19,072.54 and 5,592.12 is: 8,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.55 : 19,072.54 = 5,592.12 : x
  2. Step 2: Convert to fraction form
    12,711.55/19,072.54 = 5,592.12/x
  3. Step 3: Cross multiply
    12,711.55x = 19,072.54 × 5,592.12
  4. Step 4: Simplify right side
    12,711.55x = 106,655,809.06
  5. Step 5: Solve for x
    x = 106,655,809.06/12,711.55
  6. Step 6: Final answer
    x = 8,390.47

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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.