Home / 7,255.44-10,011.12-5,013.84

Finding the Fourth Proportional to 7,255.44, 10,011.12 and 5,013.84

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Solution

The fourth proportional to 7,255.44, 10,011.12 and 5,013.84 is: 6,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.44 : 10,011.12 = 5,013.84 : x
  2. Step 2: Convert to fraction form
    7,255.44/10,011.12 = 5,013.84/x
  3. Step 3: Cross multiply
    7,255.44x = 10,011.12 × 5,013.84
  4. Step 4: Simplify right side
    7,255.44x = 50,194,153.90
  5. Step 5: Solve for x
    x = 50,194,153.90/7,255.44
  6. Step 6: Final answer
    x = 6,918.14

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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.