Home / 10,360.82-14,297.80-5,645.12

Finding the Fourth Proportional to 10,360.82, 14,297.80 and 5,645.12

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Solution

The fourth proportional to 10,360.82, 14,297.80 and 5,645.12 is: 7,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,360.82 : 14,297.80 = 5,645.12 : x
  2. Step 2: Convert to fraction form
    10,360.82/14,297.80 = 5,645.12/x
  3. Step 3: Cross multiply
    10,360.82x = 14,297.80 × 5,645.12
  4. Step 4: Simplify right side
    10,360.82x = 80,712,796.74
  5. Step 5: Solve for x
    x = 80,712,796.74/10,360.82
  6. Step 6: Final answer
    x = 7,790.19

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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.