Home / 7,381.65-11,077.05-2,999.16

Finding the Fourth Proportional to 7,381.65, 11,077.05 and 2,999.16

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Solution

The fourth proportional to 7,381.65, 11,077.05 and 2,999.16 is: 4,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.65 : 11,077.05 = 2,999.16 : x
  2. Step 2: Convert to fraction form
    7,381.65/11,077.05 = 2,999.16/x
  3. Step 3: Cross multiply
    7,381.65x = 11,077.05 × 2,999.16
  4. Step 4: Simplify right side
    7,381.65x = 33,221,845.28
  5. Step 5: Solve for x
    x = 33,221,845.28/7,381.65
  6. Step 6: Final answer
    x = 4,500.60

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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.