Home / 7,012.28-9,676.68-4,359.08

Finding the Fourth Proportional to 7,012.28, 9,676.68 and 4,359.08

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Solution

The fourth proportional to 7,012.28, 9,676.68 and 4,359.08 is: 6,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.28 : 9,676.68 = 4,359.08 : x
  2. Step 2: Convert to fraction form
    7,012.28/9,676.68 = 4,359.08/x
  3. Step 3: Cross multiply
    7,012.28x = 9,676.68 × 4,359.08
  4. Step 4: Simplify right side
    7,012.28x = 42,181,422.25
  5. Step 5: Solve for x
    x = 42,181,422.25/7,012.28
  6. Step 6: Final answer
    x = 6,015.36

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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.