Home / 10,396.97-14,348.17-5,681.56

Finding the Fourth Proportional to 10,396.97, 14,348.17 and 5,681.56

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Solution

The fourth proportional to 10,396.97, 14,348.17 and 5,681.56 is: 7,840.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.97 : 14,348.17 = 5,681.56 : x
  2. Step 2: Convert to fraction form
    10,396.97/14,348.17 = 5,681.56/x
  3. Step 3: Cross multiply
    10,396.97x = 14,348.17 × 5,681.56
  4. Step 4: Simplify right side
    10,396.97x = 81,519,931.21
  5. Step 5: Solve for x
    x = 81,519,931.21/10,396.97
  6. Step 6: Final answer
    x = 7,840.74

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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.