Home / 7,027.12-9,697.40-3,883.30

Finding the Fourth Proportional to 7,027.12, 9,697.40 and 3,883.30

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Solution

The fourth proportional to 7,027.12, 9,697.40 and 3,883.30 is: 5,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.12 : 9,697.40 = 3,883.30 : x
  2. Step 2: Convert to fraction form
    7,027.12/9,697.40 = 3,883.30/x
  3. Step 3: Cross multiply
    7,027.12x = 9,697.40 × 3,883.30
  4. Step 4: Simplify right side
    7,027.12x = 37,657,845.52
  5. Step 5: Solve for x
    x = 37,657,845.52/7,027.12
  6. Step 6: Final answer
    x = 5,358.93

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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.