Home / 10,741.07-14,829.91-8,218.68

Finding the Fourth Proportional to 10,741.07, 14,829.91 and 8,218.68

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Solution

The fourth proportional to 10,741.07, 14,829.91 and 8,218.68 is: 11,347.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,741.07 : 14,829.91 = 8,218.68 : x
  2. Step 2: Convert to fraction form
    10,741.07/14,829.91 = 8,218.68/x
  3. Step 3: Cross multiply
    10,741.07x = 14,829.91 × 8,218.68
  4. Step 4: Simplify right side
    10,741.07x = 121,882,252.53
  5. Step 5: Solve for x
    x = 121,882,252.53/10,741.07
  6. Step 6: Final answer
    x = 11,347.31

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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.