Home / 34,097.20-51,145.80-9,137.20

Finding the Fourth Proportional to 34,097.20, 51,145.80 and 9,137.20

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Solution

The fourth proportional to 34,097.20, 51,145.80 and 9,137.20 is: 13,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,097.20 : 51,145.80 = 9,137.20 : x
  2. Step 2: Convert to fraction form
    34,097.20/51,145.80 = 9,137.20/x
  3. Step 3: Cross multiply
    34,097.20x = 51,145.80 × 9,137.20
  4. Step 4: Simplify right side
    34,097.20x = 467,329,403.76
  5. Step 5: Solve for x
    x = 467,329,403.76/34,097.20
  6. Step 6: Final answer
    x = 13,705.80

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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.