Home / 9,091.17-12,544.94-5,112.65

Finding the Fourth Proportional to 9,091.17, 12,544.94 and 5,112.65

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Solution

The fourth proportional to 9,091.17, 12,544.94 and 5,112.65 is: 7,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.17 : 12,544.94 = 5,112.65 : x
  2. Step 2: Convert to fraction form
    9,091.17/12,544.94 = 5,112.65/x
  3. Step 3: Cross multiply
    9,091.17x = 12,544.94 × 5,112.65
  4. Step 4: Simplify right side
    9,091.17x = 64,137,931.63
  5. Step 5: Solve for x
    x = 64,137,931.63/9,091.17
  6. Step 6: Final answer
    x = 7,054.97

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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.