Home / 8,926.97-12,319.09-5,150.14

Finding the Fourth Proportional to 8,926.97, 12,319.09 and 5,150.14

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Solution

The fourth proportional to 8,926.97, 12,319.09 and 5,150.14 is: 7,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.97 : 12,319.09 = 5,150.14 : x
  2. Step 2: Convert to fraction form
    8,926.97/12,319.09 = 5,150.14/x
  3. Step 3: Cross multiply
    8,926.97x = 12,319.09 × 5,150.14
  4. Step 4: Simplify right side
    8,926.97x = 63,444,994.50
  5. Step 5: Solve for x
    x = 63,444,994.50/8,926.97
  6. Step 6: Final answer
    x = 7,107.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.