Home / 12,055.55-16,636.75-6,750.37

Finding the Fourth Proportional to 12,055.55, 16,636.75 and 6,750.37

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Solution

The fourth proportional to 12,055.55, 16,636.75 and 6,750.37 is: 9,315.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.55 : 16,636.75 = 6,750.37 : x
  2. Step 2: Convert to fraction form
    12,055.55/16,636.75 = 6,750.37/x
  3. Step 3: Cross multiply
    12,055.55x = 16,636.75 × 6,750.37
  4. Step 4: Simplify right side
    12,055.55x = 112,304,191.67
  5. Step 5: Solve for x
    x = 112,304,191.67/12,055.55
  6. Step 6: Final answer
    x = 9,315.56

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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.