Home / 7,372.74-10,173.98-4,185.18

Finding the Fourth Proportional to 7,372.74, 10,173.98 and 4,185.18

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Solution

The fourth proportional to 7,372.74, 10,173.98 and 4,185.18 is: 5,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.74 : 10,173.98 = 4,185.18 : x
  2. Step 2: Convert to fraction form
    7,372.74/10,173.98 = 4,185.18/x
  3. Step 3: Cross multiply
    7,372.74x = 10,173.98 × 4,185.18
  4. Step 4: Simplify right side
    7,372.74x = 42,579,937.62
  5. Step 5: Solve for x
    x = 42,579,937.62/7,372.74
  6. Step 6: Final answer
    x = 5,775.32

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Double scale
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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.