Home / 15,071.72-22,610.13-5,208.69

Finding the Fourth Proportional to 15,071.72, 22,610.13 and 5,208.69

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Solution

The fourth proportional to 15,071.72, 22,610.13 and 5,208.69 is: 7,813.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,071.72 : 22,610.13 = 5,208.69 : x
  2. Step 2: Convert to fraction form
    15,071.72/22,610.13 = 5,208.69/x
  3. Step 3: Cross multiply
    15,071.72x = 22,610.13 × 5,208.69
  4. Step 4: Simplify right side
    15,071.72x = 117,769,158.03
  5. Step 5: Solve for x
    x = 117,769,158.03/15,071.72
  6. Step 6: Final answer
    x = 7,813.92

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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.