Home / 7,371.36-10,172.52-4,184.28

Finding the Fourth Proportional to 7,371.36, 10,172.52 and 4,184.28

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Solution

The fourth proportional to 7,371.36, 10,172.52 and 4,184.28 is: 5,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.36 : 10,172.52 = 4,184.28 : x
  2. Step 2: Convert to fraction form
    7,371.36/10,172.52 = 4,184.28/x
  3. Step 3: Cross multiply
    7,371.36x = 10,172.52 × 4,184.28
  4. Step 4: Simplify right side
    7,371.36x = 42,564,671.99
  5. Step 5: Solve for x
    x = 42,564,671.99/7,371.36
  6. Step 6: Final answer
    x = 5,774.33

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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.