Home / 11,054.61-15,249.65-6,855.57

Finding the Fourth Proportional to 11,054.61, 15,249.65 and 6,855.57

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Solution

The fourth proportional to 11,054.61, 15,249.65 and 6,855.57 is: 9,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.61 : 15,249.65 = 6,855.57 : x
  2. Step 2: Convert to fraction form
    11,054.61/15,249.65 = 6,855.57/x
  3. Step 3: Cross multiply
    11,054.61x = 15,249.65 × 6,855.57
  4. Step 4: Simplify right side
    11,054.61x = 104,545,043.05
  5. Step 5: Solve for x
    x = 104,545,043.05/11,054.61
  6. Step 6: Final answer
    x = 9,457.14

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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.