Home / 15,498.82-23,253.09-5,117.86

Finding the Fourth Proportional to 15,498.82, 23,253.09 and 5,117.86

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Solution

The fourth proportional to 15,498.82, 23,253.09 and 5,117.86 is: 7,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,498.82 : 23,253.09 = 5,117.86 : x
  2. Step 2: Convert to fraction form
    15,498.82/23,253.09 = 5,117.86/x
  3. Step 3: Cross multiply
    15,498.82x = 23,253.09 × 5,117.86
  4. Step 4: Simplify right side
    15,498.82x = 119,006,059.19
  5. Step 5: Solve for x
    x = 119,006,059.19/15,498.82
  6. Step 6: Final answer
    x = 7,678.39

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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.