Home / 10,396.94-14,347.28-5,681.22

Finding the Fourth Proportional to 10,396.94, 14,347.28 and 5,681.22

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Solution

The fourth proportional to 10,396.94, 14,347.28 and 5,681.22 is: 7,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.94 : 14,347.28 = 5,681.22 : x
  2. Step 2: Convert to fraction form
    10,396.94/14,347.28 = 5,681.22/x
  3. Step 3: Cross multiply
    10,396.94x = 14,347.28 × 5,681.22
  4. Step 4: Simplify right side
    10,396.94x = 81,510,025.68
  5. Step 5: Solve for x
    x = 81,510,025.68/10,396.94
  6. Step 6: Final answer
    x = 7,839.81

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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.