Home / 7,011.13-9,675.32-3,867.32

Finding the Fourth Proportional to 7,011.13, 9,675.32 and 3,867.32

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Solution

The fourth proportional to 7,011.13, 9,675.32 and 3,867.32 is: 5,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.13 : 9,675.32 = 3,867.32 : x
  2. Step 2: Convert to fraction form
    7,011.13/9,675.32 = 3,867.32/x
  3. Step 3: Cross multiply
    7,011.13x = 9,675.32 × 3,867.32
  4. Step 4: Simplify right side
    7,011.13x = 37,417,558.54
  5. Step 5: Solve for x
    x = 37,417,558.54/7,011.13
  6. Step 6: Final answer
    x = 5,336.88

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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.