Home / 7,259.28-10,012.18-4,427.12

Finding the Fourth Proportional to 7,259.28, 10,012.18 and 4,427.12

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Solution

The fourth proportional to 7,259.28, 10,012.18 and 4,427.12 is: 6,105.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.28 : 10,012.18 = 4,427.12 : x
  2. Step 2: Convert to fraction form
    7,259.28/10,012.18 = 4,427.12/x
  3. Step 3: Cross multiply
    7,259.28x = 10,012.18 × 4,427.12
  4. Step 4: Simplify right side
    7,259.28x = 44,325,122.32
  5. Step 5: Solve for x
    x = 44,325,122.32/7,259.28
  6. Step 6: Final answer
    x = 6,105.99

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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.