Home / 6,905.13-9,530.30-4,072.32

Finding the Fourth Proportional to 6,905.13, 9,530.30 and 4,072.32

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Solution

The fourth proportional to 6,905.13, 9,530.30 and 4,072.32 is: 5,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.13 : 9,530.30 = 4,072.32 : x
  2. Step 2: Convert to fraction form
    6,905.13/9,530.30 = 4,072.32/x
  3. Step 3: Cross multiply
    6,905.13x = 9,530.30 × 4,072.32
  4. Step 4: Simplify right side
    6,905.13x = 38,810,441.48
  5. Step 5: Solve for x
    x = 38,810,441.48/6,905.13
  6. Step 6: Final answer
    x = 5,620.53

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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.