Home / 11,134.70-15,365.53-6,655.80

Finding the Fourth Proportional to 11,134.70, 15,365.53 and 6,655.80

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Solution

The fourth proportional to 11,134.70, 15,365.53 and 6,655.80 is: 9,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.70 : 15,365.53 = 6,655.80 : x
  2. Step 2: Convert to fraction form
    11,134.70/15,365.53 = 6,655.80/x
  3. Step 3: Cross multiply
    11,134.70x = 15,365.53 × 6,655.80
  4. Step 4: Simplify right side
    11,134.70x = 102,269,960.51
  5. Step 5: Solve for x
    x = 102,269,960.51/11,134.70
  6. Step 6: Final answer
    x = 9,184.80

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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.