Home / 10,274.84-14,179.28-5,559.11

Finding the Fourth Proportional to 10,274.84, 14,179.28 and 5,559.11

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Solution

The fourth proportional to 10,274.84, 14,179.28 and 5,559.11 is: 7,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,274.84 : 14,179.28 = 5,559.11 : x
  2. Step 2: Convert to fraction form
    10,274.84/14,179.28 = 5,559.11/x
  3. Step 3: Cross multiply
    10,274.84x = 14,179.28 × 5,559.11
  4. Step 4: Simplify right side
    10,274.84x = 78,824,177.24
  5. Step 5: Solve for x
    x = 78,824,177.24/10,274.84
  6. Step 6: Final answer
    x = 7,671.57

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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.