Home / 12,359.32-17,055.70-6,770.36

Finding the Fourth Proportional to 12,359.32, 17,055.70 and 6,770.36

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Solution

The fourth proportional to 12,359.32, 17,055.70 and 6,770.36 is: 9,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.32 : 17,055.70 = 6,770.36 : x
  2. Step 2: Convert to fraction form
    12,359.32/17,055.70 = 6,770.36/x
  3. Step 3: Cross multiply
    12,359.32x = 17,055.70 × 6,770.36
  4. Step 4: Simplify right side
    12,359.32x = 115,473,229.05
  5. Step 5: Solve for x
    x = 115,473,229.05/12,359.32
  6. Step 6: Final answer
    x = 9,343.01

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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.