Home / 12,359.54-17,056.59-6,770.54

Finding the Fourth Proportional to 12,359.54, 17,056.59 and 6,770.54

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Solution

The fourth proportional to 12,359.54, 17,056.59 and 6,770.54 is: 9,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.54 : 17,056.59 = 6,770.54 : x
  2. Step 2: Convert to fraction form
    12,359.54/17,056.59 = 6,770.54/x
  3. Step 3: Cross multiply
    12,359.54x = 17,056.59 × 6,770.54
  4. Step 4: Simplify right side
    12,359.54x = 115,482,324.86
  5. Step 5: Solve for x
    x = 115,482,324.86/12,359.54
  6. Step 6: Final answer
    x = 9,343.58

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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.