Home / 8,892.09-12,270.60-5,114.65

Finding the Fourth Proportional to 8,892.09, 12,270.60 and 5,114.65

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Solution

The fourth proportional to 8,892.09, 12,270.60 and 5,114.65 is: 7,057.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.09 : 12,270.60 = 5,114.65 : x
  2. Step 2: Convert to fraction form
    8,892.09/12,270.60 = 5,114.65/x
  3. Step 3: Cross multiply
    8,892.09x = 12,270.60 × 5,114.65
  4. Step 4: Simplify right side
    8,892.09x = 62,759,824.29
  5. Step 5: Solve for x
    x = 62,759,824.29/8,892.09
  6. Step 6: Final answer
    x = 7,057.94

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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.