Home / 10,361.47-14,298.84-5,645.75

Finding the Fourth Proportional to 10,361.47, 14,298.84 and 5,645.75

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Solution

The fourth proportional to 10,361.47, 14,298.84 and 5,645.75 is: 7,791.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.47 : 14,298.84 = 5,645.75 : x
  2. Step 2: Convert to fraction form
    10,361.47/14,298.84 = 5,645.75/x
  3. Step 3: Cross multiply
    10,361.47x = 14,298.84 × 5,645.75
  4. Step 4: Simplify right side
    10,361.47x = 80,727,647.70
  5. Step 5: Solve for x
    x = 80,727,647.70/10,361.47
  6. Step 6: Final answer
    x = 7,791.14

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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.