Home / 7,247.82-10,005.39-5,125.14

Finding the Fourth Proportional to 7,247.82, 10,005.39 and 5,125.14

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Solution

The fourth proportional to 7,247.82, 10,005.39 and 5,125.14 is: 7,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.82 : 10,005.39 = 5,125.14 : x
  2. Step 2: Convert to fraction form
    7,247.82/10,005.39 = 5,125.14/x
  3. Step 3: Cross multiply
    7,247.82x = 10,005.39 × 5,125.14
  4. Step 4: Simplify right side
    7,247.82x = 51,279,024.50
  5. Step 5: Solve for x
    x = 51,279,024.50/7,247.82
  6. Step 6: Final answer
    x = 7,075.10

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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.